Finding the Fourth Proportional to 37,085.99, 55,641.41 and 12,127.19

Step by Step Solution

1. Step 1: Write the proportion equation
   37,085.99 : 55,641.41 = 12,127.19 : x
2. Step 2: Convert to fraction form
   37,085.99/55,641.41 = 12,127.19/x
3. Step 3: Cross multiply
   37,085.99x = 55,641.41 × 12,127.19
4. Step 4: Simplify right side
   37,085.99x = 674,773,890.30
5. Step 5: Solve for x
   x = 674,773,890.30/37,085.99
6. Step 6: Final answer
   x = 18,194.85