Finding the Fourth Proportional to 37,879.34, 52,271.03 and 20,883.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,879.34 : 52,271.03 = 20,883.72 : x
2. Step 2: Convert to fraction form
   37,879.34/52,271.03 = 20,883.72/x
3. Step 3: Cross multiply
   37,879.34x = 52,271.03 × 20,883.72
4. Step 4: Simplify right side
   37,879.34x = 1,091,613,580.89
5. Step 5: Solve for x
   x = 1,091,613,580.89/37,879.34
6. Step 6: Final answer
   x = 28,818.18