Finding the Fourth Proportional to 37,589.67, 56,385.50 and 12,630.60

Step by Step Solution

1. Step 1: Write the proportion equation
   37,589.67 : 56,385.50 = 12,630.60 : x
2. Step 2: Convert to fraction form
   37,589.67/56,385.50 = 12,630.60/x
3. Step 3: Cross multiply
   37,589.67x = 56,385.50 × 12,630.60
4. Step 4: Simplify right side
   37,589.67x = 712,182,633.15
5. Step 5: Solve for x
   x = 712,182,633.15/37,589.67
6. Step 6: Final answer
   x = 18,946.23