Finding the Fourth Proportional to 92,499.03, 138,785.40 and 55,076.76

Step by Step Solution

1. Step 1: Write the proportion equation
   92,499.03 : 138,785.40 = 55,076.76 : x
2. Step 2: Convert to fraction form
   92,499.03/138,785.40 = 55,076.76/x
3. Step 3: Cross multiply
   92,499.03x = 138,785.40 × 55,076.76
4. Step 4: Simplify right side
   92,499.03x = 7,643,850,167.30
5. Step 5: Solve for x
   x = 7,643,850,167.30/92,499.03
6. Step 6: Final answer
   x = 82,637.08