Finding the Fourth Proportional to 89,407.52, 123,384.51 and 49,120.91

Step by Step Solution

1. Step 1: Write the proportion equation
   89,407.52 : 123,384.51 = 49,120.91 : x
2. Step 2: Convert to fraction form
   89,407.52/123,384.51 = 49,120.91/x
3. Step 3: Cross multiply
   89,407.52x = 123,384.51 × 49,120.91
4. Step 4: Simplify right side
   89,407.52x = 6,060,758,794.18
5. Step 5: Solve for x
   x = 6,060,758,794.18/89,407.52
6. Step 6: Final answer
   x = 67,788.02