Finding the Fourth Proportional to 88,681.30, 122,271.30 and 55,088.98

Step by Step Solution

1. Step 1: Write the proportion equation
   88,681.30 : 122,271.30 = 55,088.98 : x
2. Step 2: Convert to fraction form
   88,681.30/122,271.30 = 55,088.98/x
3. Step 3: Cross multiply
   88,681.30x = 122,271.30 × 55,088.98
4. Step 4: Simplify right side
   88,681.30x = 6,735,801,200.27
5. Step 5: Solve for x
   x = 6,735,801,200.27/88,681.30
6. Step 6: Final answer
   x = 75,955.15