Finding the Fourth Proportional to 942,454.51, 1,300,592.88 and 512,737.72

Step by Step Solution

1. Step 1: Write the proportion equation
   942,454.51 : 1,300,592.88 = 512,737.72 : x
2. Step 2: Convert to fraction form
   942,454.51/1,300,592.88 = 512,737.72/x
3. Step 3: Cross multiply
   942,454.51x = 1,300,592.88 × 512,737.72
4. Step 4: Simplify right side
   942,454.51x = 666,863,027,939.43
5. Step 5: Solve for x
   x = 666,863,027,939.43/942,454.51
6. Step 6: Final answer
   x = 707,581.13