Finding the Fourth Proportional to 57,103.59, 85,663.61 and 17,663.76

Step by Step Solution

1. Step 1: Write the proportion equation
   57,103.59 : 85,663.61 = 17,663.76 : x
2. Step 2: Convert to fraction form
   57,103.59/85,663.61 = 17,663.76/x
3. Step 3: Cross multiply
   57,103.59x = 85,663.61 × 17,663.76
4. Step 4: Simplify right side
   57,103.59x = 1,513,141,359.45
5. Step 5: Solve for x
   x = 1,513,141,359.45/57,103.59
6. Step 6: Final answer
   x = 26,498.18