Finding the Fourth Proportional to 9,303.31, 12,834.30 and 5,715.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,303.31 : 12,834.30 = 5,715.01 : x
2. Step 2: Convert to fraction form
   9,303.31/12,834.30 = 5,715.01/x
3. Step 3: Cross multiply
   9,303.31x = 12,834.30 × 5,715.01
4. Step 4: Simplify right side
   9,303.31x = 73,348,152.84
5. Step 5: Solve for x
   x = 73,348,152.84/9,303.31
6. Step 6: Final answer
   x = 7,884.09