Finding the Fourth Proportional to 267,070.42, 400,604.39 and 109,298.89

Step by Step Solution

1. Step 1: Write the proportion equation
   267,070.42 : 400,604.39 = 109,298.89 : x
2. Step 2: Convert to fraction form
   267,070.42/400,604.39 = 109,298.89/x
3. Step 3: Cross multiply
   267,070.42x = 400,604.39 × 109,298.89
4. Step 4: Simplify right side
   267,070.42x = 43,785,612,606.61
5. Step 5: Solve for x
   x = 43,785,612,606.61/267,070.42
6. Step 6: Final answer
   x = 163,947.82