Finding the Fourth Proportional to 37,764.31, 52,116.08 and 20,769.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,764.31 : 52,116.08 = 20,769.86 : x
2. Step 2: Convert to fraction form
   37,764.31/52,116.08 = 20,769.86/x
3. Step 3: Cross multiply
   37,764.31x = 52,116.08 × 20,769.86
4. Step 4: Simplify right side
   37,764.31x = 1,082,443,685.35
5. Step 5: Solve for x
   x = 1,082,443,685.35/37,764.31
6. Step 6: Final answer
   x = 28,663.14