Finding the Fourth Proportional to 42,023.31, 57,991.46 and 22,903.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,023.31 : 57,991.46 = 22,903.32 : x
2. Step 2: Convert to fraction form
   42,023.31/57,991.46 = 22,903.32/x
3. Step 3: Cross multiply
   42,023.31x = 57,991.46 × 22,903.32
4. Step 4: Simplify right side
   42,023.31x = 1,328,196,851.13
5. Step 5: Solve for x
   x = 1,328,196,851.13/42,023.31
6. Step 6: Final answer
   x = 31,606.19