Finding the Fourth Proportional to 267,718.31, 369,447.81 and 152,995.63

Step by Step Solution

1. Step 1: Write the proportion equation
   267,718.31 : 369,447.81 = 152,995.63 : x
2. Step 2: Convert to fraction form
   267,718.31/369,447.81 = 152,995.63/x
3. Step 3: Cross multiply
   267,718.31x = 369,447.81 × 152,995.63
4. Step 4: Simplify right side
   267,718.31x = 56,523,900,443.07
5. Step 5: Solve for x
   x = 56,523,900,443.07/267,718.31
6. Step 6: Final answer
   x = 211,131.99