Finding the Fourth Proportional to 112,236.72, 154,881.83 and 61,248.17

Step by Step Solution

1. Step 1: Write the proportion equation
   112,236.72 : 154,881.83 = 61,248.17 : x
2. Step 2: Convert to fraction form
   112,236.72/154,881.83 = 61,248.17/x
3. Step 3: Cross multiply
   112,236.72x = 154,881.83 × 61,248.17
4. Step 4: Simplify right side
   112,236.72x = 9,486,227,573.10
5. Step 5: Solve for x
   x = 9,486,227,573.10/112,236.72
6. Step 6: Final answer
   x = 84,519.82