Finding the Fourth Proportional to 112,023.05, 154,487.93 and 81,760.46

Step by Step Solution

1. Step 1: Write the proportion equation
   112,023.05 : 154,487.93 = 81,760.46 : x
2. Step 2: Convert to fraction form
   112,023.05/154,487.93 = 81,760.46/x
3. Step 3: Cross multiply
   112,023.05x = 154,487.93 × 81,760.46
4. Step 4: Simplify right side
   112,023.05x = 12,631,003,040.01
5. Step 5: Solve for x
   x = 12,631,003,040.01/112,023.05
6. Step 6: Final answer
   x = 112,753.61