Finding the Fourth Proportional to 132,300.75, 182,573.51 and 71,870.09

Step by Step Solution

1. Step 1: Write the proportion equation
   132,300.75 : 182,573.51 = 71,870.09 : x
2. Step 2: Convert to fraction form
   132,300.75/182,573.51 = 71,870.09/x
3. Step 3: Cross multiply
   132,300.75x = 182,573.51 × 71,870.09
4. Step 4: Simplify right side
   132,300.75x = 13,121,574,595.32
5. Step 5: Solve for x
   x = 13,121,574,595.32/132,300.75
6. Step 6: Final answer
   x = 99,179.90