Finding the Fourth Proportional to 55,088.01, 76,021.25 and 31,219.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,088.01 : 76,021.25 = 31,219.25 : x
2. Step 2: Convert to fraction form
   55,088.01/76,021.25 = 31,219.25/x
3. Step 3: Cross multiply
   55,088.01x = 76,021.25 × 31,219.25
4. Step 4: Simplify right side
   55,088.01x = 2,373,325,872.86
5. Step 5: Solve for x
   x = 2,373,325,872.86/55,088.01
6. Step 6: Final answer
   x = 43,082.44