Finding the Fourth Proportional to 37,587.38, 51,870.11 and 20,591.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,587.38 : 51,870.11 = 20,591.42 : x
2. Step 2: Convert to fraction form
   37,587.38/51,870.11 = 20,591.42/x
3. Step 3: Cross multiply
   37,587.38x = 51,870.11 × 20,591.42
4. Step 4: Simplify right side
   37,587.38x = 1,068,078,858.15
5. Step 5: Solve for x
   x = 1,068,078,858.15/37,587.38
6. Step 6: Final answer
   x = 28,415.89