Finding the Fourth Proportional to 201,061.90, 277,595.33 and 124,662.16

Step by Step Solution

1. Step 1: Write the proportion equation
   201,061.90 : 277,595.33 = 124,662.16 : x
2. Step 2: Convert to fraction form
   201,061.90/277,595.33 = 124,662.16/x
3. Step 3: Cross multiply
   201,061.90x = 277,595.33 × 124,662.16
4. Step 4: Simplify right side
   201,061.90x = 34,605,633,443.71
5. Step 5: Solve for x
   x = 34,605,633,443.71/201,061.90
6. Step 6: Final answer
   x = 172,114.33