Finding the Fourth Proportional to 127,062.56, 175,343.72 and 78,651.69

Step by Step Solution

1. Step 1: Write the proportion equation
   127,062.56 : 175,343.72 = 78,651.69 : x
2. Step 2: Convert to fraction form
   127,062.56/175,343.72 = 78,651.69/x
3. Step 3: Cross multiply
   127,062.56x = 175,343.72 × 78,651.69
4. Step 4: Simplify right side
   127,062.56x = 13,791,079,515.63
5. Step 5: Solve for x
   x = 13,791,079,515.63/127,062.56
6. Step 6: Final answer
   x = 108,537.72