Finding the Fourth Proportional to 1,005,735.94, 1,387,915.61 and 553,026.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,735.94 : 1,387,915.61 = 553,026.94 : x
2. Step 2: Convert to fraction form
   1,005,735.94/1,387,915.61 = 553,026.94/x
3. Step 3: Cross multiply
   1,005,735.94x = 1,387,915.61 × 553,026.94
4. Step 4: Simplify right side
   1,005,735.94x = 767,554,716,541.61
5. Step 5: Solve for x
   x = 767,554,716,541.61/1,005,735.94
6. Step 6: Final answer
   x = 763,177.18