Finding the Fourth Proportional to 43,897.55, 60,562.31 and 28,798.61

Step by Step Solution

1. Step 1: Write the proportion equation
   43,897.55 : 60,562.31 = 28,798.61 : x
2. Step 2: Convert to fraction form
   43,897.55/60,562.31 = 28,798.61/x
3. Step 3: Cross multiply
   43,897.55x = 60,562.31 × 28,798.61
4. Step 4: Simplify right side
   43,897.55x = 1,744,109,899.58
5. Step 5: Solve for x
   x = 1,744,109,899.58/43,897.55
6. Step 6: Final answer
   x = 39,731.38