Finding the Fourth Proportional to 59,947.47, 89,939.21 and 28,381.59

Step by Step Solution

1. Step 1: Write the proportion equation
   59,947.47 : 89,939.21 = 28,381.59 : x
2. Step 2: Convert to fraction form
   59,947.47/89,939.21 = 28,381.59/x
3. Step 3: Cross multiply
   59,947.47x = 89,939.21 × 28,381.59
4. Step 4: Simplify right side
   59,947.47x = 2,552,617,641.24
5. Step 5: Solve for x
   x = 2,552,617,641.24/59,947.47
6. Step 6: Final answer
   x = 42,580.91