Finding the Fourth Proportional to 72,615.42, 108,945 and 22,700.79

Step by Step Solution

1. Step 1: Write the proportion equation
   72,615.42 : 108,945 = 22,700.79 : x
2. Step 2: Convert to fraction form
   72,615.42/108,945 = 22,700.79/x
3. Step 3: Cross multiply
   72,615.42x = 108,945 × 22,700.79
4. Step 4: Simplify right side
   72,615.42x = 2,473,137,566.55
5. Step 5: Solve for x
   x = 2,473,137,566.55/72,615.42
6. Step 6: Final answer
   x = 34,058.02