Finding the Fourth Proportional to 107,670.72, 148,429.82 and 71,311.25

Step by Step Solution

1. Step 1: Write the proportion equation
   107,670.72 : 148,429.82 = 71,311.25 : x
2. Step 2: Convert to fraction form
   107,670.72/148,429.82 = 71,311.25/x
3. Step 3: Cross multiply
   107,670.72x = 148,429.82 × 71,311.25
4. Step 4: Simplify right side
   107,670.72x = 10,584,714,902.77
5. Step 5: Solve for x
   x = 10,584,714,902.77/107,670.72
6. Step 6: Final answer
   x = 98,306.34