Finding the Fourth Proportional to 89,264.91, 123,185.52 and 48,978.93

Step by Step Solution

1. Step 1: Write the proportion equation
   89,264.91 : 123,185.52 = 48,978.93 : x
2. Step 2: Convert to fraction form
   89,264.91/123,185.52 = 48,978.93/x
3. Step 3: Cross multiply
   89,264.91x = 123,185.52 × 48,978.93
4. Step 4: Simplify right side
   89,264.91x = 6,033,494,961.09
5. Step 5: Solve for x
   x = 6,033,494,961.09/89,264.91
6. Step 6: Final answer
   x = 67,590.89