Finding the Fourth Proportional to 112,111.06, 154,724.16 and 83,767.54

Step by Step Solution

1. Step 1: Write the proportion equation
   112,111.06 : 154,724.16 = 83,767.54 : x
2. Step 2: Convert to fraction form
   112,111.06/154,724.16 = 83,767.54/x
3. Step 3: Cross multiply
   112,111.06x = 154,724.16 × 83,767.54
4. Step 4: Simplify right side
   112,111.06x = 12,960,862,261.77
5. Step 5: Solve for x
   x = 12,960,862,261.77/112,111.06
6. Step 6: Final answer
   x = 115,607.35