Finding the Fourth Proportional to 1,061,535.88, 1,464,909.42 and 578,109.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,535.88 : 1,464,909.42 = 578,109.10 : x
2. Step 2: Convert to fraction form
   1,061,535.88/1,464,909.42 = 578,109.10/x
3. Step 3: Cross multiply
   1,061,535.88x = 1,464,909.42 × 578,109.10
4. Step 4: Simplify right side
   1,061,535.88x = 846,877,466,377.72
5. Step 5: Solve for x
   x = 846,877,466,377.72/1,061,535.88
6. Step 6: Final answer
   x = 797,785.06