Finding the Fourth Proportional to 10,377.81, 15,557.00 and 3,803.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,377.81 : 15,557.00 = 3,803.85 : x
2. Step 2: Convert to fraction form
   10,377.81/15,557.00 = 3,803.85/x
3. Step 3: Cross multiply
   10,377.81x = 15,557.00 × 3,803.85
4. Step 4: Simplify right side
   10,377.81x = 59,176,475.43
5. Step 5: Solve for x
   x = 59,176,475.43/10,377.81
6. Step 6: Final answer
   x = 5,702.21