Finding the Fourth Proportional to 99,536.01, 149,215.85 and 71,385.27

Step by Step Solution

1. Step 1: Write the proportion equation
   99,536.01 : 149,215.85 = 71,385.27 : x
2. Step 2: Convert to fraction form
   99,536.01/149,215.85 = 71,385.27/x
3. Step 3: Cross multiply
   99,536.01x = 149,215.85 × 71,385.27
4. Step 4: Simplify right side
   99,536.01x = 10,651,813,740.53
5. Step 5: Solve for x
   x = 10,651,813,740.53/99,536.01
6. Step 6: Final answer
   x = 107,014.67