Finding the Fourth Proportional to 34,874.88, 52,334.52 and 12,686.10

Step by Step Solution

1. Step 1: Write the proportion equation
   34,874.88 : 52,334.52 = 12,686.10 : x
2. Step 2: Convert to fraction form
   34,874.88/52,334.52 = 12,686.10/x
3. Step 3: Cross multiply
   34,874.88x = 52,334.52 × 12,686.10
4. Step 4: Simplify right side
   34,874.88x = 663,920,954.17
5. Step 5: Solve for x
   x = 663,920,954.17/34,874.88
6. Step 6: Final answer
   x = 19,037.23