Finding the Fourth Proportional to 59,719.14, 89,564.29 and 17,587.78

Step by Step Solution

1. Step 1: Write the proportion equation
   59,719.14 : 89,564.29 = 17,587.78 : x
2. Step 2: Convert to fraction form
   59,719.14/89,564.29 = 17,587.78/x
3. Step 3: Cross multiply
   59,719.14x = 89,564.29 × 17,587.78
4. Step 4: Simplify right side
   59,719.14x = 1,575,237,028.38
5. Step 5: Solve for x
   x = 1,575,237,028.38/59,719.14
6. Step 6: Final answer
   x = 26,377.42