Finding the Fourth Proportional to 111,426.76, 153,664.50 and 88,840.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,426.76 : 153,664.50 = 88,840.84 : x
2. Step 2: Convert to fraction form
   111,426.76/153,664.50 = 88,840.84/x
3. Step 3: Cross multiply
   111,426.76x = 153,664.50 × 88,840.84
4. Step 4: Simplify right side
   111,426.76x = 13,651,683,258.18
5. Step 5: Solve for x
   x = 13,651,683,258.18/111,426.76
6. Step 6: Final answer
   x = 122,517.10