Finding the Fourth Proportional to 267,912, 369,718.56 and 148,680

Step by Step Solution

1. Step 1: Write the proportion equation
   267,912 : 369,718.56 = 148,680 : x
2. Step 2: Convert to fraction form
   267,912/369,718.56 = 148,680/x
3. Step 3: Cross multiply
   267,912x = 369,718.56 × 148,680
4. Step 4: Simplify right side
   267,912x = 54,969,755,500.80
5. Step 5: Solve for x
   x = 54,969,755,500.80/267,912
6. Step 6: Final answer
   x = 205,178.40