Finding the Fourth Proportional to 37,706.96, 56,558.66 and 12,748.01

Step by Step Solution

1. Step 1: Write the proportion equation
   37,706.96 : 56,558.66 = 12,748.01 : x
2. Step 2: Convert to fraction form
   37,706.96/56,558.66 = 12,748.01/x
3. Step 3: Cross multiply
   37,706.96x = 56,558.66 × 12,748.01
4. Step 4: Simplify right side
   37,706.96x = 721,010,016.73
5. Step 5: Solve for x
   x = 721,010,016.73/37,706.96
6. Step 6: Final answer
   x = 19,121.41