Finding the Fourth Proportional to 11,111, 15,317.34 and 7,569.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111 : 15,317.34 = 7,569.68 : x
2. Step 2: Convert to fraction form
   11,111/15,317.34 = 7,569.68/x
3. Step 3: Cross multiply
   11,111x = 15,317.34 × 7,569.68
4. Step 4: Simplify right side
   11,111x = 115,947,362.25
5. Step 5: Solve for x
   x = 115,947,362.25/11,111
6. Step 6: Final answer
   x = 10,435.37