Finding the Fourth Proportional to 269,870, 372,426.52 and 149,010.96

Step by Step Solution

1. Step 1: Write the proportion equation
   269,870 : 372,426.52 = 149,010.96 : x
2. Step 2: Convert to fraction form
   269,870/372,426.52 = 149,010.96/x
3. Step 3: Cross multiply
   269,870x = 372,426.52 × 149,010.96
4. Step 4: Simplify right side
   269,870x = 55,495,633,274.66
5. Step 5: Solve for x
   x = 55,495,633,274.66/269,870
6. Step 6: Final answer
   x = 205,638.39