Finding the Fourth Proportional to 132,538.10, 182,832.86 and 78,784.88

Step by Step Solution

1. Step 1: Write the proportion equation
   132,538.10 : 182,832.86 = 78,784.88 : x
2. Step 2: Convert to fraction form
   132,538.10/182,832.86 = 78,784.88/x
3. Step 3: Cross multiply
   132,538.10x = 182,832.86 × 78,784.88
4. Step 4: Simplify right side
   132,538.10x = 14,404,464,217.95
5. Step 5: Solve for x
   x = 14,404,464,217.95/132,538.10
6. Step 6: Final answer
   x = 108,681.69