Finding the Fourth Proportional to 9,151.51, 12,635.59 and 7,234.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,151.51 : 12,635.59 = 7,234.46 : x
2. Step 2: Convert to fraction form
   9,151.51/12,635.59 = 7,234.46/x
3. Step 3: Cross multiply
   9,151.51x = 12,635.59 × 7,234.46
4. Step 4: Simplify right side
   9,151.51x = 91,411,670.43
5. Step 5: Solve for x
   x = 91,411,670.43/9,151.51
6. Step 6: Final answer
   x = 9,988.70