Finding the Fourth Proportional to 37,294.42, 55,928.30 and 12,329.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,294.42 : 55,928.30 = 12,329.86 : x
2. Step 2: Convert to fraction form
   37,294.42/55,928.30 = 12,329.86/x
3. Step 3: Cross multiply
   37,294.42x = 55,928.30 × 12,329.86
4. Step 4: Simplify right side
   37,294.42x = 689,588,109.04
5. Step 5: Solve for x
   x = 689,588,109.04/37,294.42
6. Step 6: Final answer
   x = 18,490.38