Finding the Fourth Proportional to 1,564,261.72, 2,157,565.97 and 1,435,614.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,564,261.72 : 2,157,565.97 = 1,435,614.89 : x
2. Step 2: Convert to fraction form
   1,564,261.72/2,157,565.97 = 1,435,614.89/x
3. Step 3: Cross multiply
   1,564,261.72x = 2,157,565.97 × 1,435,614.89
4. Step 4: Simplify right side
   1,564,261.72x = 3,097,433,825,490.50
5. Step 5: Solve for x
   x = 3,097,433,825,490.50/1,564,261.72
6. Step 6: Final answer
   x = 1,980,125.06