Finding the Fourth Proportional to 89,089.72, 122,940.52 and 48,803.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,089.72 : 122,940.52 = 48,803.88 : x
2. Step 2: Convert to fraction form
   89,089.72/122,940.52 = 48,803.88/x
3. Step 3: Cross multiply
   89,089.72x = 122,940.52 × 48,803.88
4. Step 4: Simplify right side
   89,089.72x = 5,999,974,385.22
5. Step 5: Solve for x
   x = 5,999,974,385.22/89,089.72
6. Step 6: Final answer
   x = 67,347.55