Finding the Fourth Proportional to 1,007,822.32, 1,390,798.56 and 555,112.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,822.32 : 1,390,798.56 = 555,112.24 : x
2. Step 2: Convert to fraction form
   1,007,822.32/1,390,798.56 = 555,112.24/x
3. Step 3: Cross multiply
   1,007,822.32x = 1,390,798.56 × 555,112.24
4. Step 4: Simplify right side
   1,007,822.32x = 772,049,304,030.37
5. Step 5: Solve for x
   x = 772,049,304,030.37/1,007,822.32
6. Step 6: Final answer
   x = 766,056.96