Finding the Fourth Proportional to 783,142.38, 1,175,238.50 and 502,856.46

Step by Step Solution

1. Step 1: Write the proportion equation
   783,142.38 : 1,175,238.50 = 502,856.46 : x
2. Step 2: Convert to fraction form
   783,142.38/1,175,238.50 = 502,856.46/x
3. Step 3: Cross multiply
   783,142.38x = 1,175,238.50 × 502,856.46
4. Step 4: Simplify right side
   783,142.38x = 590,976,269,251.43
5. Step 5: Solve for x
   x = 590,976,269,251.43/783,142.38
6. Step 6: Final answer
   x = 754,621.74