Finding the Fourth Proportional to 127,615.47, 191,423.27 and 52,653.23

Step by Step Solution

1. Step 1: Write the proportion equation
   127,615.47 : 191,423.27 = 52,653.23 : x
2. Step 2: Convert to fraction form
   127,615.47/191,423.27 = 52,653.23/x
3. Step 3: Cross multiply
   127,615.47x = 191,423.27 × 52,653.23
4. Step 4: Simplify right side
   127,615.47x = 10,079,052,900.72
5. Step 5: Solve for x
   x = 10,079,052,900.72/127,615.47
6. Step 6: Final answer
   x = 78,979.86