Finding the Fourth Proportional to 59,917.47, 89,884.71 and 31,830.18

Step by Step Solution

1. Step 1: Write the proportion equation
   59,917.47 : 89,884.71 = 31,830.18 : x
2. Step 2: Convert to fraction form
   59,917.47/89,884.71 = 31,830.18/x
3. Step 3: Cross multiply
   59,917.47x = 89,884.71 × 31,830.18
4. Step 4: Simplify right side
   59,917.47x = 2,861,046,498.55
5. Step 5: Solve for x
   x = 2,861,046,498.55/59,917.47
6. Step 6: Final answer
   x = 47,749.79