Finding the Fourth Proportional to 8,709.89, 12,019.47 and 4,932.99

Step by Step Solution

1. Step 1: Write the proportion equation
   8,709.89 : 12,019.47 = 4,932.99 : x
2. Step 2: Convert to fraction form
   8,709.89/12,019.47 = 4,932.99/x
3. Step 3: Cross multiply
   8,709.89x = 12,019.47 × 4,932.99
4. Step 4: Simplify right side
   8,709.89x = 59,291,925.32
5. Step 5: Solve for x
   x = 59,291,925.32/8,709.89
6. Step 6: Final answer
   x = 6,807.43