Finding the Fourth Proportional to 112,165.98, 154,789.61 and 61,864.98

Step by Step Solution

1. Step 1: Write the proportion equation
   112,165.98 : 154,789.61 = 61,864.98 : x
2. Step 2: Convert to fraction form
   112,165.98/154,789.61 = 61,864.98/x
3. Step 3: Cross multiply
   112,165.98x = 154,789.61 × 61,864.98
4. Step 4: Simplify right side
   112,165.98x = 9,576,056,126.86
5. Step 5: Solve for x
   x = 9,576,056,126.86/112,165.98
6. Step 6: Final answer
   x = 85,373.98