Finding the Fourth Proportional to 37,574.58, 56,348.76 and 12,609.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,574.58 : 56,348.76 = 12,609.30 : x
2. Step 2: Convert to fraction form
   37,574.58/56,348.76 = 12,609.30/x
3. Step 3: Cross multiply
   37,574.58x = 56,348.76 × 12,609.30
4. Step 4: Simplify right side
   37,574.58x = 710,518,419.47
5. Step 5: Solve for x
   x = 710,518,419.47/37,574.58
6. Step 6: Final answer
   x = 18,909.55