Finding the Fourth Proportional to 10,474.99, 15,708.38 and 3,897.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,474.99 : 15,708.38 = 3,897.58 : x
2. Step 2: Convert to fraction form
   10,474.99/15,708.38 = 3,897.58/x
3. Step 3: Cross multiply
   10,474.99x = 15,708.38 × 3,897.58
4. Step 4: Simplify right side
   10,474.99x = 61,224,667.72
5. Step 5: Solve for x
   x = 61,224,667.72/10,474.99
6. Step 6: Final answer
   x = 5,844.84