Finding the Fourth Proportional to 37,867.42, 52,254.67 and 20,870.71

Step by Step Solution

1. Step 1: Write the proportion equation
   37,867.42 : 52,254.67 = 20,870.71 : x
2. Step 2: Convert to fraction form
   37,867.42/52,254.67 = 20,870.71/x
3. Step 3: Cross multiply
   37,867.42x = 52,254.67 × 20,870.71
4. Step 4: Simplify right side
   37,867.42x = 1,090,592,063.72
5. Step 5: Solve for x
   x = 1,090,592,063.72/37,867.42
6. Step 6: Final answer
   x = 28,800.27