Finding the Fourth Proportional to 72,250,740.99, 99,706,074.57 and 39,210,981.57

Step by Step Solution

1. Step 1: Write the proportion equation
   72,250,740.99 : 99,706,074.57 = 39,210,981.57 : x
2. Step 2: Convert to fraction form
   72,250,740.99/99,706,074.57 = 39,210,981.57/x
3. Step 3: Cross multiply
   72,250,740.99x = 99,706,074.57 × 39,210,981.57
4. Step 4: Simplify right side
   72,250,740.99x = 3,909,573,052,381,315.50
5. Step 5: Solve for x
   x = 3,909,573,052,381,315.50/72,250,740.99
6. Step 6: Final answer
   x = 54,111,182.79