Finding the Fourth Proportional to 89,031.31, 122,858.54 and 48,737.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,031.31 : 122,858.54 = 48,737.35 : x
2. Step 2: Convert to fraction form
   89,031.31/122,858.54 = 48,737.35/x
3. Step 3: Cross multiply
   89,031.31x = 122,858.54 × 48,737.35
4. Step 4: Simplify right side
   89,031.31x = 5,987,799,757.12
5. Step 5: Solve for x
   x = 5,987,799,757.12/89,031.31
6. Step 6: Final answer
   x = 67,254.99