Finding the Fourth Proportional to 37,310.86, 55,952.84 and 12,346.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,310.86 : 55,952.84 = 12,346.30 : x
2. Step 2: Convert to fraction form
   37,310.86/55,952.84 = 12,346.30/x
3. Step 3: Cross multiply
   37,310.86x = 55,952.84 × 12,346.30
4. Step 4: Simplify right side
   37,310.86x = 690,810,268.73
5. Step 5: Solve for x
   x = 690,810,268.73/37,310.86
6. Step 6: Final answer
   x = 18,514.99