Finding the Fourth Proportional to 35,672.10, 53,495.55 and 12,293.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,672.10 : 53,495.55 = 12,293.10 : x
2. Step 2: Convert to fraction form
   35,672.10/53,495.55 = 12,293.10/x
3. Step 3: Cross multiply
   35,672.10x = 53,495.55 × 12,293.10
4. Step 4: Simplify right side
   35,672.10x = 657,626,145.71
5. Step 5: Solve for x
   x = 657,626,145.71/35,672.10
6. Step 6: Final answer
   x = 18,435.31