Finding the Fourth Proportional to 31,227.78, 46,848.51 and 9,042.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,227.78 : 46,848.51 = 9,042.06 : x
2. Step 2: Convert to fraction form
   31,227.78/46,848.51 = 9,042.06/x
3. Step 3: Cross multiply
   31,227.78x = 46,848.51 × 9,042.06
4. Step 4: Simplify right side
   31,227.78x = 423,607,038.33
5. Step 5: Solve for x
   x = 423,607,038.33/31,227.78
6. Step 6: Final answer
   x = 13,565.07