Finding the Fourth Proportional to 37,443.31, 56,146.18 and 12,474.58

Step by Step Solution

1. Step 1: Write the proportion equation
   37,443.31 : 56,146.18 = 12,474.58 : x
2. Step 2: Convert to fraction form
   37,443.31/56,146.18 = 12,474.58/x
3. Step 3: Cross multiply
   37,443.31x = 56,146.18 × 12,474.58
4. Step 4: Simplify right side
   37,443.31x = 700,400,014.10
5. Step 5: Solve for x
   x = 700,400,014.10/37,443.31
6. Step 6: Final answer
   x = 18,705.61