Finding the Fourth Proportional to 10,068.81, 13,892.94 and 5,591.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,068.81 : 13,892.94 = 5,591.94 : x
2. Step 2: Convert to fraction form
   10,068.81/13,892.94 = 5,591.94/x
3. Step 3: Cross multiply
   10,068.81x = 13,892.94 × 5,591.94
4. Step 4: Simplify right side
   10,068.81x = 77,688,486.90
5. Step 5: Solve for x
   x = 77,688,486.90/10,068.81
6. Step 6: Final answer
   x = 7,715.76