Finding the Fourth Proportional to 9,039.30, 12,473.55 and 5,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,039.30 : 12,473.55 = 5,059.50 : x
2. Step 2: Convert to fraction form
   9,039.30/12,473.55 = 5,059.50/x
3. Step 3: Cross multiply
   9,039.30x = 12,473.55 × 5,059.50
4. Step 4: Simplify right side
   9,039.30x = 63,109,926.23
5. Step 5: Solve for x
   x = 63,109,926.23/9,039.30
6. Step 6: Final answer
   x = 6,981.73