Finding the Fourth Proportional to 37,288.28, 55,941.18 and 12,328.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,288.28 : 55,941.18 = 12,328.34 : x
2. Step 2: Convert to fraction form
   37,288.28/55,941.18 = 12,328.34/x
3. Step 3: Cross multiply
   37,288.28x = 55,941.18 × 12,328.34
4. Step 4: Simplify right side
   37,288.28x = 689,661,887.04
5. Step 5: Solve for x
   x = 689,661,887.04/37,288.28
6. Step 6: Final answer
   x = 18,495.41