Finding the Fourth Proportional to 37,308.78, 51,484.82 and 20,312.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,308.78 : 51,484.82 = 20,312.72 : x
2. Step 2: Convert to fraction form
   37,308.78/51,484.82 = 20,312.72/x
3. Step 3: Cross multiply
   37,308.78x = 51,484.82 × 20,312.72
4. Step 4: Simplify right side
   37,308.78x = 1,045,796,732.91
5. Step 5: Solve for x
   x = 1,045,796,732.91/37,308.78
6. Step 6: Final answer
   x = 28,030.85