Finding the Fourth Proportional to 12,645, 17,450.10 and 7,056.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,645 : 17,450.10 = 7,056.04 : x
2. Step 2: Convert to fraction form
   12,645/17,450.10 = 7,056.04/x
3. Step 3: Cross multiply
   12,645x = 17,450.10 × 7,056.04
4. Step 4: Simplify right side
   12,645x = 123,128,603.60
5. Step 5: Solve for x
   x = 123,128,603.60/12,645
6. Step 6: Final answer
   x = 9,737.34