Finding the Fourth Proportional to 1,025,867.76, 1,414,402.20 and 662,676.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025,867.76 : 1,414,402.20 = 662,676.72 : x
2. Step 2: Convert to fraction form
   1,025,867.76/1,414,402.20 = 662,676.72/x
3. Step 3: Cross multiply
   1,025,867.76x = 1,414,402.20 × 662,676.72
4. Step 4: Simplify right side
   1,025,867.76x = 937,291,410,656.78
5. Step 5: Solve for x
   x = 937,291,410,656.78/1,025,867.76
6. Step 6: Final answer
   x = 913,657.15