Finding the Fourth Proportional to 35,100.14, 52,671.06 and 12,929.09

Step by Step Solution

1. Step 1: Write the proportion equation
   35,100.14 : 52,671.06 = 12,929.09 : x
2. Step 2: Convert to fraction form
   35,100.14/52,671.06 = 12,929.09/x
3. Step 3: Cross multiply
   35,100.14x = 52,671.06 × 12,929.09
4. Step 4: Simplify right side
   35,100.14x = 680,988,611.78
5. Step 5: Solve for x
   x = 680,988,611.78/35,100.14
6. Step 6: Final answer
   x = 19,401.31