Finding the Fourth Proportional to 59,878.32, 89,649.60 and 31,734.72

Step by Step Solution

1. Step 1: Write the proportion equation
   59,878.32 : 89,649.60 = 31,734.72 : x
2. Step 2: Convert to fraction form
   59,878.32/89,649.60 = 31,734.72/x
3. Step 3: Cross multiply
   59,878.32x = 89,649.60 × 31,734.72
4. Step 4: Simplify right side
   59,878.32x = 2,845,004,954.11
5. Step 5: Solve for x
   x = 2,845,004,954.11/59,878.32
6. Step 6: Final answer
   x = 47,513.11