Finding the Fourth Proportional to 13,017.02, 17,956.88 and 7,635.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,017.02 : 17,956.88 = 7,635.94 : x
2. Step 2: Convert to fraction form
   13,017.02/17,956.88 = 7,635.94/x
3. Step 3: Cross multiply
   13,017.02x = 17,956.88 × 7,635.94
4. Step 4: Simplify right side
   13,017.02x = 137,117,575.20
5. Step 5: Solve for x
   x = 137,117,575.20/13,017.02
6. Step 6: Final answer
   x = 10,533.71