Finding the Fourth Proportional to 267,112.42, 400,743.72 and 107,300.57

Step by Step Solution

1. Step 1: Write the proportion equation
   267,112.42 : 400,743.72 = 107,300.57 : x
2. Step 2: Convert to fraction form
   267,112.42/400,743.72 = 107,300.57/x
3. Step 3: Cross multiply
   267,112.42x = 400,743.72 × 107,300.57
4. Step 4: Simplify right side
   267,112.42x = 43,000,027,576.20
5. Step 5: Solve for x
   x = 43,000,027,576.20/267,112.42
6. Step 6: Final answer
   x = 160,981.01