Finding the Fourth Proportional to 55,140.78, 82,697.49 and 25,530.06

Step by Step Solution

1. Step 1: Write the proportion equation
   55,140.78 : 82,697.49 = 25,530.06 : x
2. Step 2: Convert to fraction form
   55,140.78/82,697.49 = 25,530.06/x
3. Step 3: Cross multiply
   55,140.78x = 82,697.49 × 25,530.06
4. Step 4: Simplify right side
   55,140.78x = 2,111,271,881.55
5. Step 5: Solve for x
   x = 2,111,271,881.55/55,140.78
6. Step 6: Final answer
   x = 38,288.76