Finding the Fourth Proportional to 37,053.48, 55,586.34 and 12,086.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,053.48 : 55,586.34 = 12,086.28 : x
2. Step 2: Convert to fraction form
   37,053.48/55,586.34 = 12,086.28/x
3. Step 3: Cross multiply
   37,053.48x = 55,586.34 × 12,086.28
4. Step 4: Simplify right side
   37,053.48x = 671,832,069.42
5. Step 5: Solve for x
   x = 671,832,069.42/37,053.48
6. Step 6: Final answer
   x = 18,131.42