Finding the Fourth Proportional to 1,132,593.59, 1,562,978.69 and 623,295.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132,593.59 : 1,562,978.69 = 623,295.96 : x
2. Step 2: Convert to fraction form
   1,132,593.59/1,562,978.69 = 623,295.96/x
3. Step 3: Cross multiply
   1,132,593.59x = 1,562,978.69 × 623,295.96
4. Step 4: Simplify right side
   1,132,593.59x = 974,198,303,043.09
5. Step 5: Solve for x
   x = 974,198,303,043.09/1,132,593.59
6. Step 6: Final answer
   x = 860,148.17