Finding the Fourth Proportional to 88,940.23, 122,739.30 and 48,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,940.23 : 122,739.30 = 48,656.50 : x
2. Step 2: Convert to fraction form
   88,940.23/122,739.30 = 48,656.50/x
3. Step 3: Cross multiply
   88,940.23x = 122,739.30 × 48,656.50
4. Step 4: Simplify right side
   88,940.23x = 5,972,064,443.60
5. Step 5: Solve for x
   x = 5,972,064,443.60/88,940.23
6. Step 6: Final answer
   x = 67,146.94