Finding the Fourth Proportional to 250,018.38, 375,066.54 and 83,767.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,018.38 : 375,066.54 = 83,767.50 : x
2. Step 2: Convert to fraction form
   250,018.38/375,066.54 = 83,767.50/x
3. Step 3: Cross multiply
   250,018.38x = 375,066.54 × 83,767.50
4. Step 4: Simplify right side
   250,018.38x = 31,418,386,389.45
5. Step 5: Solve for x
   x = 31,418,386,389.45/250,018.38
6. Step 6: Final answer
   x = 125,664.31