Finding the Fourth Proportional to 9,368.79, 14,056.82 and 8,603.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,368.79 : 14,056.82 = 8,603.34 : x
2. Step 2: Convert to fraction form
   9,368.79/14,056.82 = 8,603.34/x
3. Step 3: Cross multiply
   9,368.79x = 14,056.82 × 8,603.34
4. Step 4: Simplify right side
   9,368.79x = 120,935,601.78
5. Step 5: Solve for x
   x = 120,935,601.78/9,368.79
6. Step 6: Final answer
   x = 12,908.35