Finding the Fourth Proportional to 9,317.84, 12,858.72 and 5,126

Step by Step Solution

1. Step 1: Write the proportion equation
   9,317.84 : 12,858.72 = 5,126 : x
2. Step 2: Convert to fraction form
   9,317.84/12,858.72 = 5,126/x
3. Step 3: Cross multiply
   9,317.84x = 12,858.72 × 5,126
4. Step 4: Simplify right side
   9,317.84x = 65,913,798.72
5. Step 5: Solve for x
   x = 65,913,798.72/9,317.84
6. Step 6: Final answer
   x = 7,073.94