Finding the Fourth Proportional to 132,715.27, 199,071.69 and 53,810.74

Step by Step Solution

1. Step 1: Write the proportion equation
   132,715.27 : 199,071.69 = 53,810.74 : x
2. Step 2: Convert to fraction form
   132,715.27/199,071.69 = 53,810.74/x
3. Step 3: Cross multiply
   132,715.27x = 199,071.69 × 53,810.74
4. Step 4: Simplify right side
   132,715.27x = 10,712,194,999.00
5. Step 5: Solve for x
   x = 10,712,194,999.00/132,715.27
6. Step 6: Final answer
   x = 80,715.62