Finding the Fourth Proportional to 111,748.62, 154,276.64 and 89,014.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,748.62 : 154,276.64 = 89,014.76 : x
2. Step 2: Convert to fraction form
   111,748.62/154,276.64 = 89,014.76/x
3. Step 3: Cross multiply
   111,748.62x = 154,276.64 × 89,014.76
4. Step 4: Simplify right side
   111,748.62x = 13,732,897,779.09
5. Step 5: Solve for x
   x = 13,732,897,779.09/111,748.62
6. Step 6: Final answer
   x = 122,890.98