Finding the Fourth Proportional to 37,310.76, 51,488.73 and 20,543.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,310.76 : 51,488.73 = 20,543.76 : x
2. Step 2: Convert to fraction form
   37,310.76/51,488.73 = 20,543.76/x
3. Step 3: Cross multiply
   37,310.76x = 51,488.73 × 20,543.76
4. Step 4: Simplify right side
   37,310.76x = 1,057,772,111.82
5. Step 5: Solve for x
   x = 1,057,772,111.82/37,310.76
6. Step 6: Final answer
   x = 28,350.32