Finding the Fourth Proportional to 9,064.35, 12,508.50 and 5,085.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,064.35 : 12,508.50 = 5,085.63 : x
2. Step 2: Convert to fraction form
   9,064.35/12,508.50 = 5,085.63/x
3. Step 3: Cross multiply
   9,064.35x = 12,508.50 × 5,085.63
4. Step 4: Simplify right side
   9,064.35x = 63,613,602.86
5. Step 5: Solve for x
   x = 63,613,602.86/9,064.35
6. Step 6: Final answer
   x = 7,018.00