Finding the Fourth Proportional to 37,690.72, 56,490.72 and 15,474.04

Step by Step Solution

1. Step 1: Write the proportion equation
   37,690.72 : 56,490.72 = 15,474.04 : x
2. Step 2: Convert to fraction form
   37,690.72/56,490.72 = 15,474.04/x
3. Step 3: Cross multiply
   37,690.72x = 56,490.72 × 15,474.04
4. Step 4: Simplify right side
   37,690.72x = 874,139,660.91
5. Step 5: Solve for x
   x = 874,139,660.91/37,690.72
6. Step 6: Final answer
   x = 23,192.44