Finding the Fourth Proportional to 9,156.84, 12,635.56 and 7,272.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,156.84 : 12,635.56 = 7,272.98 : x
2. Step 2: Convert to fraction form
   9,156.84/12,635.56 = 7,272.98/x
3. Step 3: Cross multiply
   9,156.84x = 12,635.56 × 7,272.98
4. Step 4: Simplify right side
   9,156.84x = 91,898,175.17
5. Step 5: Solve for x
   x = 91,898,175.17/9,156.84
6. Step 6: Final answer
   x = 10,036.01