Finding the Fourth Proportional to 1,043,978.24, 1,440,641.76 and 591,272.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043,978.24 : 1,440,641.76 = 591,272.48 : x
2. Step 2: Convert to fraction form
   1,043,978.24/1,440,641.76 = 591,272.48/x
3. Step 3: Cross multiply
   1,043,978.24x = 1,440,641.76 × 591,272.48
4. Step 4: Simplify right side
   1,043,978.24x = 851,811,826,226.77
5. Step 5: Solve for x
   x = 851,811,826,226.77/1,043,978.24
6. Step 6: Final answer
   x = 815,928.72