Finding the Fourth Proportional to 267,103.91, 368,638.61 and 152,356.28

Step by Step Solution

1. Step 1: Write the proportion equation
   267,103.91 : 368,638.61 = 152,356.28 : x
2. Step 2: Convert to fraction form
   267,103.91/368,638.61 = 152,356.28/x
3. Step 3: Cross multiply
   267,103.91x = 368,638.61 × 152,356.28
4. Step 4: Simplify right side
   267,103.91x = 56,164,404,679.00
5. Step 5: Solve for x
   x = 56,164,404,679.00/267,103.91
6. Step 6: Final answer
   x = 210,271.74