Finding the Fourth Proportional to 1,564,089.30, 2,157,330.15 and 1,435,443.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,564,089.30 : 2,157,330.15 = 1,435,443.27 : x
2. Step 2: Convert to fraction form
   1,564,089.30/2,157,330.15 = 1,435,443.27/x
3. Step 3: Cross multiply
   1,564,089.30x = 2,157,330.15 × 1,435,443.27
4. Step 4: Simplify right side
   1,564,089.30x = 3,096,725,044,985.59
5. Step 5: Solve for x
   x = 3,096,725,044,985.59/1,564,089.30
6. Step 6: Final answer
   x = 1,979,890.18