Finding the Fourth Proportional to 89,116.93, 122,980.98 and 48,281.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,116.93 : 122,980.98 = 48,281.05 : x
2. Step 2: Convert to fraction form
   89,116.93/122,980.98 = 48,281.05/x
3. Step 3: Cross multiply
   89,116.93x = 122,980.98 × 48,281.05
4. Step 4: Simplify right side
   89,116.93x = 5,937,650,844.43
5. Step 5: Solve for x
   x = 5,937,650,844.43/89,116.93
6. Step 6: Final answer
   x = 66,627.64