Finding the Fourth Proportional to 37,612.35, 51,902.78 and 20,613.29

Step by Step Solution

1. Step 1: Write the proportion equation
   37,612.35 : 51,902.78 = 20,613.29 : x
2. Step 2: Convert to fraction form
   37,612.35/51,902.78 = 20,613.29/x
3. Step 3: Cross multiply
   37,612.35x = 51,902.78 × 20,613.29
4. Step 4: Simplify right side
   37,612.35x = 1,069,886,693.37
5. Step 5: Solve for x
   x = 1,069,886,693.37/37,612.35
6. Step 6: Final answer
   x = 28,445.09