Finding the Fourth Proportional to 37,080, 55,625.76 and 12,461.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,080 : 55,625.76 = 12,461.76 : x
2. Step 2: Convert to fraction form
   37,080/55,625.76 = 12,461.76/x
3. Step 3: Cross multiply
   37,080x = 55,625.76 × 12,461.76
4. Step 4: Simplify right side
   37,080x = 693,194,870.94
5. Step 5: Solve for x
   x = 693,194,870.94/37,080
6. Step 6: Final answer
   x = 18,694.58