Finding the Fourth Proportional to 10,405.37, 15,599.94 and 7,064.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,405.37 : 15,599.94 = 7,064.81 : x
2. Step 2: Convert to fraction form
   10,405.37/15,599.94 = 7,064.81/x
3. Step 3: Cross multiply
   10,405.37x = 15,599.94 × 7,064.81
4. Step 4: Simplify right side
   10,405.37x = 110,210,612.11
5. Step 5: Solve for x
   x = 110,210,612.11/10,405.37
6. Step 6: Final answer
   x = 10,591.71