Finding the Fourth Proportional to 37,321, 55,981.98 and 12,697

Step by Step Solution

1. Step 1: Write the proportion equation
   37,321 : 55,981.98 = 12,697 : x
2. Step 2: Convert to fraction form
   37,321/55,981.98 = 12,697/x
3. Step 3: Cross multiply
   37,321x = 55,981.98 × 12,697
4. Step 4: Simplify right side
   37,321x = 710,803,200.06
5. Step 5: Solve for x
   x = 710,803,200.06/37,321
6. Step 6: Final answer
   x = 19,045.66