Finding the Fourth Proportional to 37,715, 52,048.34 and 20,948

Step by Step Solution

1. Step 1: Write the proportion equation
   37,715 : 52,048.34 = 20,948 : x
2. Step 2: Convert to fraction form
   37,715/52,048.34 = 20,948/x
3. Step 3: Cross multiply
   37,715x = 52,048.34 × 20,948
4. Step 4: Simplify right side
   37,715x = 1,090,308,626.32
5. Step 5: Solve for x
   x = 1,090,308,626.32/37,715
6. Step 6: Final answer
   x = 28,909.15