Finding the Fourth Proportional to 7,601.32, 11,384.34 and 7,338.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,601.32 : 11,384.34 = 7,338.50 : x
2. Step 2: Convert to fraction form
   7,601.32/11,384.34 = 7,338.50/x
3. Step 3: Cross multiply
   7,601.32x = 11,384.34 × 7,338.50
4. Step 4: Simplify right side
   7,601.32x = 83,543,979.09
5. Step 5: Solve for x
   x = 83,543,979.09/7,601.32
6. Step 6: Final answer
   x = 10,990.72