Finding the Fourth Proportional to 23,557.46, 35,277.86 and 13,147.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,557.46 : 35,277.86 = 13,147.34 : x
2. Step 2: Convert to fraction form
   23,557.46/35,277.86 = 13,147.34/x
3. Step 3: Cross multiply
   23,557.46x = 35,277.86 × 13,147.34
4. Step 4: Simplify right side
   23,557.46x = 463,810,019.89
5. Step 5: Solve for x
   x = 463,810,019.89/23,557.46
6. Step 6: Final answer
   x = 19,688.46