Finding the Fourth Proportional to 34,010.50, 51,018.69 and 9,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,010.50 : 51,018.69 = 9,386.50 : x
2. Step 2: Convert to fraction form
   34,010.50/51,018.69 = 9,386.50/x
3. Step 3: Cross multiply
   34,010.50x = 51,018.69 × 9,386.50
4. Step 4: Simplify right side
   34,010.50x = 478,886,933.69
5. Step 5: Solve for x
   x = 478,886,933.69/34,010.50
6. Step 6: Final answer
   x = 14,080.56