Finding the Fourth Proportional to 267,061.29, 400,590.69 and 109,289.76

Step by Step Solution

1. Step 1: Write the proportion equation
   267,061.29 : 400,590.69 = 109,289.76 : x
2. Step 2: Convert to fraction form
   267,061.29/400,590.69 = 109,289.76/x
3. Step 3: Cross multiply
   267,061.29x = 400,590.69 × 109,289.76
4. Step 4: Simplify right side
   267,061.29x = 43,780,460,368.33
5. Step 5: Solve for x
   x = 43,780,460,368.33/267,061.29
6. Step 6: Final answer
   x = 163,934.13