Finding the Fourth Proportional to 111,748.50, 154,276.46 and 89,014.63

Step by Step Solution

1. Step 1: Write the proportion equation
   111,748.50 : 154,276.46 = 89,014.63 : x
2. Step 2: Convert to fraction form
   111,748.50/154,276.46 = 89,014.63/x
3. Step 3: Cross multiply
   111,748.50x = 154,276.46 × 89,014.63
4. Step 4: Simplify right side
   111,748.50x = 13,732,862,004.61
5. Step 5: Solve for x
   x = 13,732,862,004.61/111,748.50
6. Step 6: Final answer
   x = 122,890.79