Finding the Fourth Proportional to 2,123,992.12, 2,931,097.53 and 1,157,120.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123,992.12 : 2,931,097.53 = 1,157,120.08 : x
2. Step 2: Convert to fraction form
   2,123,992.12/2,931,097.53 = 1,157,120.08/x
3. Step 3: Cross multiply
   2,123,992.12x = 2,931,097.53 × 1,157,120.08
4. Step 4: Simplify right side
   2,123,992.12x = 3,391,631,808,401.40
5. Step 5: Solve for x
   x = 3,391,631,808,401.40/2,123,992.12
6. Step 6: Final answer
   x = 1,596,819.39