Finding the Fourth Proportional to 12,801.02, 19,204.15 and 7,256.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,801.02 : 19,204.15 = 7,256.84 : x
2. Step 2: Convert to fraction form
   12,801.02/19,204.15 = 7,256.84/x
3. Step 3: Cross multiply
   12,801.02x = 19,204.15 × 7,256.84
4. Step 4: Simplify right side
   12,801.02x = 139,361,473.75
5. Step 5: Solve for x
   x = 139,361,473.75/12,801.02
6. Step 6: Final answer
   x = 10,886.75