Finding the Fourth Proportional to 12,461.46, 17,196.69 and 7,157.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,461.46 : 17,196.69 = 7,157.94 : x
2. Step 2: Convert to fraction form
   12,461.46/17,196.69 = 7,157.94/x
3. Step 3: Cross multiply
   12,461.46x = 17,196.69 × 7,157.94
4. Step 4: Simplify right side
   12,461.46x = 123,092,875.22
5. Step 5: Solve for x
   x = 123,092,875.22/12,461.46
6. Step 6: Final answer
   x = 9,877.89