Finding the Fourth Proportional to 942,465.10, 1,300,607.57 and 512,748.31

Step by Step Solution

1. Step 1: Write the proportion equation
   942,465.10 : 1,300,607.57 = 512,748.31 : x
2. Step 2: Convert to fraction form
   942,465.10/1,300,607.57 = 512,748.31/x
3. Step 3: Cross multiply
   942,465.10x = 1,300,607.57 × 512,748.31
4. Step 4: Simplify right side
   942,465.10x = 666,884,333,490.71
5. Step 5: Solve for x
   x = 666,884,333,490.71/942,465.10
6. Step 6: Final answer
   x = 707,595.79