Finding the Fourth Proportional to 23,128.76, 34,699.62 and 9,287.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,128.76 : 34,699.62 = 9,287.48 : x
2. Step 2: Convert to fraction form
   23,128.76/34,699.62 = 9,287.48/x
3. Step 3: Cross multiply
   23,128.76x = 34,699.62 × 9,287.48
4. Step 4: Simplify right side
   23,128.76x = 322,272,026.76
5. Step 5: Solve for x
   x = 322,272,026.76/23,128.76
6. Step 6: Final answer
   x = 13,933.82