Finding the Fourth Proportional to 12,533.12, 17,294.94 and 7,156.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,533.12 : 17,294.94 = 7,156.64 : x
2. Step 2: Convert to fraction form
   12,533.12/17,294.94 = 7,156.64/x
3. Step 3: Cross multiply
   12,533.12x = 17,294.94 × 7,156.64
4. Step 4: Simplify right side
   12,533.12x = 123,773,659.40
5. Step 5: Solve for x
   x = 123,773,659.40/12,533.12
6. Step 6: Final answer
   x = 9,875.73