Finding the Fourth Proportional to 120,868.64, 181,301.61 and 73,496.78

Step by Step Solution

1. Step 1: Write the proportion equation
   120,868.64 : 181,301.61 = 73,496.78 : x
2. Step 2: Convert to fraction form
   120,868.64/181,301.61 = 73,496.78/x
3. Step 3: Cross multiply
   120,868.64x = 181,301.61 × 73,496.78
4. Step 4: Simplify right side
   120,868.64x = 13,325,084,543.82
5. Step 5: Solve for x
   x = 13,325,084,543.82/120,868.64
6. Step 6: Final answer
   x = 110,244.35