Finding the Fourth Proportional to 132,518.72, 182,873.94 and 72,089.82

Step by Step Solution

1. Step 1: Write the proportion equation
   132,518.72 : 182,873.94 = 72,089.82 : x
2. Step 2: Convert to fraction form
   132,518.72/182,873.94 = 72,089.82/x
3. Step 3: Cross multiply
   132,518.72x = 182,873.94 × 72,089.82
4. Step 4: Simplify right side
   132,518.72x = 13,183,349,417.29
5. Step 5: Solve for x
   x = 13,183,349,417.29/132,518.72
6. Step 6: Final answer
   x = 99,482.93