Finding the Fourth Proportional to 53,251,145,811.50, 73,488,891,216.72 and 29,489,355,819.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,251,145,811.50 : 73,488,891,216.72 = 29,489,355,819.50 : x
2. Step 2: Convert to fraction form
   53,251,145,811.50/73,488,891,216.72 = 29,489,355,819.50/x
3. Step 3: Cross multiply
   53,251,145,811.50x = 73,488,891,216.72 × 29,489,355,819.50
4. Step 4: Simplify right side
   53,251,145,811.50x = 2,167,140,061,870,016,954,368
5. Step 5: Solve for x
   x = 2,167,140,061,870,016,954,368/53,251,145,811.50
6. Step 6: Final answer
   x = 40,696,590,258.20