Finding the Fourth Proportional to 112,503,914.99, 169,599,111.87 and 105,004,368.80

Step by Step Solution

1. Step 1: Write the proportion equation
   112,503,914.99 : 169,599,111.87 = 105,004,368.80 : x
2. Step 2: Convert to fraction form
   112,503,914.99/169,599,111.87 = 105,004,368.80/x
3. Step 3: Cross multiply
   112,503,914.99x = 169,599,111.87 × 105,004,368.80
4. Step 4: Simplify right side
   112,503,914.99x = 17,808,647,690,101,942
5. Step 5: Solve for x
   x = 17,808,647,690,101,942/112,503,914.99
6. Step 6: Final answer
   x = 158,293,581.98