Finding the Fourth Proportional to 57,088.53, 85,641.00 and 17,648.72

Step by Step Solution

1. Step 1: Write the proportion equation
   57,088.53 : 85,641.00 = 17,648.72 : x
2. Step 2: Convert to fraction form
   57,088.53/85,641.00 = 17,648.72/x
3. Step 3: Cross multiply
   57,088.53x = 85,641.00 × 17,648.72
4. Step 4: Simplify right side
   57,088.53x = 1,511,453,856.29
5. Step 5: Solve for x
   x = 1,511,453,856.29/57,088.53
6. Step 6: Final answer
   x = 26,475.61