Finding the Fourth Proportional to 37,047.42, 55,572.89 and 12,087.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,047.42 : 55,572.89 = 12,087.42 : x
2. Step 2: Convert to fraction form
   37,047.42/55,572.89 = 12,087.42/x
3. Step 3: Cross multiply
   37,047.42x = 55,572.89 × 12,087.42
4. Step 4: Simplify right side
   37,047.42x = 671,732,801.61
5. Step 5: Solve for x
   x = 671,732,801.61/37,047.42
6. Step 6: Final answer
   x = 18,131.70