Finding the Fourth Proportional to 37,134.79, 55,704.01 and 12,164.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,134.79 : 55,704.01 = 12,164.72 : x
2. Step 2: Convert to fraction form
   37,134.79/55,704.01 = 12,164.72/x
3. Step 3: Cross multiply
   37,134.79x = 55,704.01 × 12,164.72
4. Step 4: Simplify right side
   37,134.79x = 677,623,684.53
5. Step 5: Solve for x
   x = 677,623,684.53/37,134.79
6. Step 6: Final answer
   x = 18,247.68