Finding the Fourth Proportional to 37,438.32, 51,665.06 and 20,442.91

Step by Step Solution

1. Step 1: Write the proportion equation
   37,438.32 : 51,665.06 = 20,442.91 : x
2. Step 2: Convert to fraction form
   37,438.32/51,665.06 = 20,442.91/x
3. Step 3: Cross multiply
   37,438.32x = 51,665.06 × 20,442.91
4. Step 4: Simplify right side
   37,438.32x = 1,056,184,171.72
5. Step 5: Solve for x
   x = 1,056,184,171.72/37,438.32
6. Step 6: Final answer
   x = 28,211.31