Finding the Fourth Proportional to 12,607.42, 17,400.54 and 7,302.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,607.42 : 17,400.54 = 7,302.76 : x
2. Step 2: Convert to fraction form
   12,607.42/17,400.54 = 7,302.76/x
3. Step 3: Cross multiply
   12,607.42x = 17,400.54 × 7,302.76
4. Step 4: Simplify right side
   12,607.42x = 127,071,967.49
5. Step 5: Solve for x
   x = 127,071,967.49/12,607.42
6. Step 6: Final answer
   x = 10,079.14