Finding the Fourth Proportional to 59,910.22, 89,799.72 and 30,287.31

Step by Step Solution

1. Step 1: Write the proportion equation
   59,910.22 : 89,799.72 = 30,287.31 : x
2. Step 2: Convert to fraction form
   59,910.22/89,799.72 = 30,287.31/x
3. Step 3: Cross multiply
   59,910.22x = 89,799.72 × 30,287.31
4. Step 4: Simplify right side
   59,910.22x = 2,719,791,957.55
5. Step 5: Solve for x
   x = 2,719,791,957.55/59,910.22
6. Step 6: Final answer
   x = 45,397.80