Finding the Fourth Proportional to 37,990.50, 56,986.56 and 13,030.44

Step by Step Solution

1. Step 1: Write the proportion equation
   37,990.50 : 56,986.56 = 13,030.44 : x
2. Step 2: Convert to fraction form
   37,990.50/56,986.56 = 13,030.44/x
3. Step 3: Cross multiply
   37,990.50x = 56,986.56 × 13,030.44
4. Step 4: Simplify right side
   37,990.50x = 742,559,950.89
5. Step 5: Solve for x
   x = 742,559,950.89/37,990.50
6. Step 6: Final answer
   x = 19,545.94