Finding the Fourth Proportional to 64,222.02, 88,567.84 and 55,144.55

Step by Step Solution

1. Step 1: Write the proportion equation
   64,222.02 : 88,567.84 = 55,144.55 : x
2. Step 2: Convert to fraction form
   64,222.02/88,567.84 = 55,144.55/x
3. Step 3: Cross multiply
   64,222.02x = 88,567.84 × 55,144.55
4. Step 4: Simplify right side
   64,222.02x = 4,884,033,681.27
5. Step 5: Solve for x
   x = 4,884,033,681.27/64,222.02
6. Step 6: Final answer
   x = 76,049.21