Finding the Fourth Proportional to 1,007,797.82, 1,390,760.96 and 555,088.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,797.82 : 1,390,760.96 = 555,088.82 : x
2. Step 2: Convert to fraction form
   1,007,797.82/1,390,760.96 = 555,088.82/x
3. Step 3: Cross multiply
   1,007,797.82x = 1,390,760.96 × 555,088.82
4. Step 4: Simplify right side
   1,007,797.82x = 771,995,850,459.22
5. Step 5: Solve for x
   x = 771,995,850,459.22/1,007,797.82
6. Step 6: Final answer
   x = 766,022.55