Finding the Fourth Proportional to 138,066.83, 207,100.50 and 38,227.31

Step by Step Solution

1. Step 1: Write the proportion equation
   138,066.83 : 207,100.50 = 38,227.31 : x
2. Step 2: Convert to fraction form
   138,066.83/207,100.50 = 38,227.31/x
3. Step 3: Cross multiply
   138,066.83x = 207,100.50 × 38,227.31
4. Step 4: Simplify right side
   138,066.83x = 7,916,894,612.43
5. Step 5: Solve for x
   x = 7,916,894,612.43/138,066.83
6. Step 6: Final answer
   x = 57,341.03