Finding the Fourth Proportional to 39,080.78, 53,931.24 and 22,090.52

Step by Step Solution

1. Step 1: Write the proportion equation
   39,080.78 : 53,931.24 = 22,090.52 : x
2. Step 2: Convert to fraction form
   39,080.78/53,931.24 = 22,090.52/x
3. Step 3: Cross multiply
   39,080.78x = 53,931.24 × 22,090.52
4. Step 4: Simplify right side
   39,080.78x = 1,191,369,068.43
5. Step 5: Solve for x
   x = 1,191,369,068.43/39,080.78
6. Step 6: Final answer
   x = 30,484.79