Finding the Fourth Proportional to 1,441,561.86, 1,989,025.42 and 860,672.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441,561.86 : 1,989,025.42 = 860,672.16 : x
2. Step 2: Convert to fraction form
   1,441,561.86/1,989,025.42 = 860,672.16/x
3. Step 3: Cross multiply
   1,441,561.86x = 1,989,025.42 × 860,672.16
4. Step 4: Simplify right side
   1,441,561.86x = 1,711,898,804,526.31
5. Step 5: Solve for x
   x = 1,711,898,804,526.31/1,441,561.86
6. Step 6: Final answer
   x = 1,187,530.59