Finding the Fourth Proportional to 71,564.62, 98,596.72 and 55,376.27

Step by Step Solution

1. Step 1: Write the proportion equation
   71,564.62 : 98,596.72 = 55,376.27 : x
2. Step 2: Convert to fraction form
   71,564.62/98,596.72 = 55,376.27/x
3. Step 3: Cross multiply
   71,564.62x = 98,596.72 × 55,376.27
4. Step 4: Simplify right side
   71,564.62x = 5,459,918,587.83
5. Step 5: Solve for x
   x = 5,459,918,587.83/71,564.62
6. Step 6: Final answer
   x = 76,293.55