Finding the Fourth Proportional to 942,050.55, 1,300,039.29 and 512,340.15

Step by Step Solution

1. Step 1: Write the proportion equation
   942,050.55 : 1,300,039.29 = 512,340.15 : x
2. Step 2: Convert to fraction form
   942,050.55/1,300,039.29 = 512,340.15/x
3. Step 3: Cross multiply
   942,050.55x = 1,300,039.29 × 512,340.15
4. Step 4: Simplify right side
   942,050.55x = 666,062,324,844.49
5. Step 5: Solve for x
   x = 666,062,324,844.49/942,050.55
6. Step 6: Final answer
   x = 707,034.59