Finding the Fourth Proportional to 37,498.84, 56,229.30 and 12,530.20

Step by Step Solution

1. Step 1: Write the proportion equation
   37,498.84 : 56,229.30 = 12,530.20 : x
2. Step 2: Convert to fraction form
   37,498.84/56,229.30 = 12,530.20/x
3. Step 3: Cross multiply
   37,498.84x = 56,229.30 × 12,530.20
4. Step 4: Simplify right side
   37,498.84x = 704,564,374.86
5. Step 5: Solve for x
   x = 704,564,374.86/37,498.84
6. Step 6: Final answer
   x = 18,788.96