Finding the Fourth Proportional to 108,570.76, 162,615.52 and 83,425.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,570.76 : 162,615.52 = 83,425.72 : x
2. Step 2: Convert to fraction form
   108,570.76/162,615.52 = 83,425.72/x
3. Step 3: Cross multiply
   108,570.76x = 162,615.52 × 83,425.72
4. Step 4: Simplify right side
   108,570.76x = 13,566,316,839.17
5. Step 5: Solve for x
   x = 13,566,316,839.17/108,570.76
6. Step 6: Final answer
   x = 124,953.69