Finding the Fourth Proportional to 99,610.56, 149,437.71 and 55,301.94

Step by Step Solution

1. Step 1: Write the proportion equation
   99,610.56 : 149,437.71 = 55,301.94 : x
2. Step 2: Convert to fraction form
   99,610.56/149,437.71 = 55,301.94/x
3. Step 3: Cross multiply
   99,610.56x = 149,437.71 × 55,301.94
4. Step 4: Simplify right side
   99,610.56x = 8,264,195,272.16
5. Step 5: Solve for x
   x = 8,264,195,272.16/99,610.56
6. Step 6: Final answer
   x = 82,965.05