Finding the Fourth Proportional to 52,718.87, 78,990.82 and 37,103.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,718.87 : 78,990.82 = 37,103.69 : x
2. Step 2: Convert to fraction form
   52,718.87/78,990.82 = 37,103.69/x
3. Step 3: Cross multiply
   52,718.87x = 78,990.82 × 37,103.69
4. Step 4: Simplify right side
   52,718.87x = 2,930,850,317.65
5. Step 5: Solve for x
   x = 2,930,850,317.65/52,718.87
6. Step 6: Final answer
   x = 55,593.96