Finding the Fourth Proportional to 9,435.78, 14,155.50 and 3,591.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,435.78 : 14,155.50 = 3,591.94 : x
2. Step 2: Convert to fraction form
   9,435.78/14,155.50 = 3,591.94/x
3. Step 3: Cross multiply
   9,435.78x = 14,155.50 × 3,591.94
4. Step 4: Simplify right side
   9,435.78x = 50,845,706.67
5. Step 5: Solve for x
   x = 50,845,706.67/9,435.78
6. Step 6: Final answer
   x = 5,388.61