Finding the Fourth Proportional to 10,404.01, 15,601.21 and 4,158.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.01 : 15,601.21 = 4,158.75 : x
2. Step 2: Convert to fraction form
   10,404.01/15,601.21 = 4,158.75/x
3. Step 3: Cross multiply
   10,404.01x = 15,601.21 × 4,158.75
4. Step 4: Simplify right side
   10,404.01x = 64,881,580.20
5. Step 5: Solve for x
   x = 64,881,580.20/10,404.01
6. Step 6: Final answer
   x = 6,236.21