Finding the Fourth Proportional to 13,909.09, 19,194.42 and 7,535.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,909.09 : 19,194.42 = 7,535.53 : x
2. Step 2: Convert to fraction form
   13,909.09/19,194.42 = 7,535.53/x
3. Step 3: Cross multiply
   13,909.09x = 19,194.42 × 7,535.53
4. Step 4: Simplify right side
   13,909.09x = 144,640,127.74
5. Step 5: Solve for x
   x = 144,640,127.74/13,909.09
6. Step 6: Final answer
   x = 10,398.96