Finding the Fourth Proportional to 59,705.42, 89,531.83 and 31,618.91

Step by Step Solution

1. Step 1: Write the proportion equation
   59,705.42 : 89,531.83 = 31,618.91 : x
2. Step 2: Convert to fraction form
   59,705.42/89,531.83 = 31,618.91/x
3. Step 3: Cross multiply
   59,705.42x = 89,531.83 × 31,618.91
4. Step 4: Simplify right side
   59,705.42x = 2,830,898,690.60
5. Step 5: Solve for x
   x = 2,830,898,690.60/59,705.42
6. Step 6: Final answer
   x = 47,414.44