Finding the Fourth Proportional to 35,150.18, 52,725.86 and 12,952.12

Step by Step Solution

1. Step 1: Write the proportion equation
   35,150.18 : 52,725.86 = 12,952.12 : x
2. Step 2: Convert to fraction form
   35,150.18/52,725.86 = 12,952.12/x
3. Step 3: Cross multiply
   35,150.18x = 52,725.86 × 12,952.12
4. Step 4: Simplify right side
   35,150.18x = 682,911,665.82
5. Step 5: Solve for x
   x = 682,911,665.82/35,150.18
6. Step 6: Final answer
   x = 19,428.40