Finding the Fourth Proportional to 939,807.54, 1,296,935.69 and 510,087.74

Step by Step Solution

1. Step 1: Write the proportion equation
   939,807.54 : 1,296,935.69 = 510,087.74 : x
2. Step 2: Convert to fraction form
   939,807.54/1,296,935.69 = 510,087.74/x
3. Step 3: Cross multiply
   939,807.54x = 1,296,935.69 × 510,087.74
4. Step 4: Simplify right side
   939,807.54x = 661,550,986,002.32
5. Step 5: Solve for x
   x = 661,550,986,002.32/939,807.54
6. Step 6: Final answer
   x = 703,921.77