Finding the Fourth Proportional to 10,068.21, 13,894.75 and 5,591.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,068.21 : 13,894.75 = 5,591.99 : x
2. Step 2: Convert to fraction form
   10,068.21/13,894.75 = 5,591.99/x
3. Step 3: Cross multiply
   10,068.21x = 13,894.75 × 5,591.99
4. Step 4: Simplify right side
   10,068.21x = 77,699,303.05
5. Step 5: Solve for x
   x = 77,699,303.05/10,068.21
6. Step 6: Final answer
   x = 7,717.29