Finding the Fourth Proportional to 194,142.78, 267,916.50 and 109,259.86

Step by Step Solution

1. Step 1: Write the proportion equation
   194,142.78 : 267,916.50 = 109,259.86 : x
2. Step 2: Convert to fraction form
   194,142.78/267,916.50 = 109,259.86/x
3. Step 3: Cross multiply
   194,142.78x = 267,916.50 × 109,259.86
4. Step 4: Simplify right side
   194,142.78x = 29,272,519,281.69
5. Step 5: Solve for x
   x = 29,272,519,281.69/194,142.78
6. Step 6: Final answer
   x = 150,778.30