Finding the Fourth Proportional to 37,086.77, 55,633.58 and 12,126.95

Step by Step Solution

1. Step 1: Write the proportion equation
   37,086.77 : 55,633.58 = 12,126.95 : x
2. Step 2: Convert to fraction form
   37,086.77/55,633.58 = 12,126.95/x
3. Step 3: Cross multiply
   37,086.77x = 55,633.58 × 12,126.95
4. Step 4: Simplify right side
   37,086.77x = 674,665,304.18
5. Step 5: Solve for x
   x = 674,665,304.18/37,086.77
6. Step 6: Final answer
   x = 18,191.54