Finding the Fourth Proportional to 37,978.48, 56,973.89 and 11,683.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,978.48 : 56,973.89 = 11,683.25 : x
2. Step 2: Convert to fraction form
   37,978.48/56,973.89 = 11,683.25/x
3. Step 3: Cross multiply
   37,978.48x = 56,973.89 × 11,683.25
4. Step 4: Simplify right side
   37,978.48x = 665,640,200.34
5. Step 5: Solve for x
   x = 665,640,200.34/37,978.48
6. Step 6: Final answer
   x = 17,526.77