Finding the Fourth Proportional to 34,881, 52,290.52 and 12,690.24

Step by Step Solution

1. Step 1: Write the proportion equation
   34,881 : 52,290.52 = 12,690.24 : x
2. Step 2: Convert to fraction form
   34,881/52,290.52 = 12,690.24/x
3. Step 3: Cross multiply
   34,881x = 52,290.52 × 12,690.24
4. Step 4: Simplify right side
   34,881x = 663,579,248.52
5. Step 5: Solve for x
   x = 663,579,248.52/34,881
6. Step 6: Final answer
   x = 19,024.09