Finding the Fourth Proportional to 59,488.40, 89,137.82 and 31,407.32

Step by Step Solution

1. Step 1: Write the proportion equation
   59,488.40 : 89,137.82 = 31,407.32 : x
2. Step 2: Convert to fraction form
   59,488.40/89,137.82 = 31,407.32/x
3. Step 3: Cross multiply
   59,488.40x = 89,137.82 × 31,407.32
4. Step 4: Simplify right side
   59,488.40x = 2,799,580,036.84
5. Step 5: Solve for x
   x = 2,799,580,036.84/59,488.40
6. Step 6: Final answer
   x = 47,060.94