Finding the Fourth Proportional to 132,038.78, 182,213.61 and 71,609.42

Step by Step Solution

1. Step 1: Write the proportion equation
   132,038.78 : 182,213.61 = 71,609.42 : x
2. Step 2: Convert to fraction form
   132,038.78/182,213.61 = 71,609.42/x
3. Step 3: Cross multiply
   132,038.78x = 182,213.61 × 71,609.42
4. Step 4: Simplify right side
   132,038.78x = 13,048,210,928.21
5. Step 5: Solve for x
   x = 13,048,210,928.21/132,038.78
6. Step 6: Final answer
   x = 98,821.05