Finding the Fourth Proportional to 71,255.34, 98,316.45 and 42,567.30

Step by Step Solution

1. Step 1: Write the proportion equation
   71,255.34 : 98,316.45 = 42,567.30 : x
2. Step 2: Convert to fraction form
   71,255.34/98,316.45 = 42,567.30/x
3. Step 3: Cross multiply
   71,255.34x = 98,316.45 × 42,567.30
4. Step 4: Simplify right side
   71,255.34x = 4,185,065,822.09
5. Step 5: Solve for x
   x = 4,185,065,822.09/71,255.34
6. Step 6: Final answer
   x = 58,733.36