Finding the Fourth Proportional to 37,026.76, 55,545.90 and 12,397

Step by Step Solution

1. Step 1: Write the proportion equation
   37,026.76 : 55,545.90 = 12,397 : x
2. Step 2: Convert to fraction form
   37,026.76/55,545.90 = 12,397/x
3. Step 3: Cross multiply
   37,026.76x = 55,545.90 × 12,397
4. Step 4: Simplify right side
   37,026.76x = 688,602,522.30
5. Step 5: Solve for x
   x = 688,602,522.30/37,026.76
6. Step 6: Final answer
   x = 18,597.43