Finding the Fourth Proportional to 71,462.34, 98,617.86 and 39,636

Step by Step Solution

1. Step 1: Write the proportion equation
   71,462.34 : 98,617.86 = 39,636 : x
2. Step 2: Convert to fraction form
   71,462.34/98,617.86 = 39,636/x
3. Step 3: Cross multiply
   71,462.34x = 98,617.86 × 39,636
4. Step 4: Simplify right side
   71,462.34x = 3,908,817,498.96
5. Step 5: Solve for x
   x = 3,908,817,498.96/71,462.34
6. Step 6: Final answer
   x = 54,697.59