Finding the Fourth Proportional to 108,082.32, 149,108.64 and 71,801.20

Step by Step Solution

1. Step 1: Write the proportion equation
   108,082.32 : 149,108.64 = 71,801.20 : x
2. Step 2: Convert to fraction form
   108,082.32/149,108.64 = 71,801.20/x
3. Step 3: Cross multiply
   108,082.32x = 149,108.64 × 71,801.20
4. Step 4: Simplify right side
   108,082.32x = 10,706,179,282.37
5. Step 5: Solve for x
   x = 10,706,179,282.37/108,082.32
6. Step 6: Final answer
   x = 99,055.79