Finding the Fourth Proportional to 99,078.05, 148,529.59 and 75,808.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99,078.05 : 148,529.59 = 75,808.37 : x
2. Step 2: Convert to fraction form
   99,078.05/148,529.59 = 75,808.37/x
3. Step 3: Cross multiply
   99,078.05x = 148,529.59 × 75,808.37
4. Step 4: Simplify right side
   99,078.05x = 11,259,785,182.50
5. Step 5: Solve for x
   x = 11,259,785,182.50/99,078.05
6. Step 6: Final answer
   x = 113,645.61