Finding the Fourth Proportional to 131,880.18, 181,994.67 and 71,451.24

Step by Step Solution

1. Step 1: Write the proportion equation
   131,880.18 : 181,994.67 = 71,451.24 : x
2. Step 2: Convert to fraction form
   131,880.18/181,994.67 = 71,451.24/x
3. Step 3: Cross multiply
   131,880.18x = 181,994.67 × 71,451.24
4. Step 4: Simplify right side
   131,880.18x = 13,003,744,844.89
5. Step 5: Solve for x
   x = 13,003,744,844.89/131,880.18
6. Step 6: Final answer
   x = 98,602.72