Finding the Fourth Proportional to 2,912,061.57, 4,368,313.50 and 992,376.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912,061.57 : 4,368,313.50 = 992,376.15 : x
2. Step 2: Convert to fraction form
   2,912,061.57/4,368,313.50 = 992,376.15/x
3. Step 3: Cross multiply
   2,912,061.57x = 4,368,313.50 × 992,376.15
4. Step 4: Simplify right side
   2,912,061.57x = 4,335,010,133,123.03
5. Step 5: Solve for x
   x = 4,335,010,133,123.03/2,912,061.57
6. Step 6: Final answer
   x = 1,488,639.59