Finding the Fourth Proportional to 1,657,731.89, 2,486,589.50 and 1,432,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,657,731.89 : 2,486,589.50 = 1,432,406.72 : x
2. Step 2: Convert to fraction form
   1,657,731.89/2,486,589.50 = 1,432,406.72/x
3. Step 3: Cross multiply
   1,657,731.89x = 2,486,589.50 × 1,432,406.72
4. Step 4: Simplify right side
   1,657,731.89x = 3,561,807,490,086.46
5. Step 5: Solve for x
   x = 3,561,807,490,086.46/1,657,731.89
6. Step 6: Final answer
   x = 2,148,602.87