Finding the Fourth Proportional to 9,317.55, 12,858.12 and 5,068.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,317.55 : 12,858.12 = 5,068.74 : x
2. Step 2: Convert to fraction form
   9,317.55/12,858.12 = 5,068.74/x
3. Step 3: Cross multiply
   9,317.55x = 12,858.12 × 5,068.74
4. Step 4: Simplify right side
   9,317.55x = 65,174,467.17
5. Step 5: Solve for x
   x = 65,174,467.17/9,317.55
6. Step 6: Final answer
   x = 6,994.81