Finding the Fourth Proportional to 9,063.48, 12,507.78 and 5,085

Step by Step Solution

1. Step 1: Write the proportion equation
   9,063.48 : 12,507.78 = 5,085 : x
2. Step 2: Convert to fraction form
   9,063.48/12,507.78 = 5,085/x
3. Step 3: Cross multiply
   9,063.48x = 12,507.78 × 5,085
4. Step 4: Simplify right side
   9,063.48x = 63,602,061.30
5. Step 5: Solve for x
   x = 63,602,061.30/9,063.48
6. Step 6: Final answer
   x = 7,017.40