Finding the Fourth Proportional to 12,910.52, 19,368.53 and 4,151.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,910.52 : 19,368.53 = 4,151.58 : x
2. Step 2: Convert to fraction form
   12,910.52/19,368.53 = 4,151.58/x
3. Step 3: Cross multiply
   12,910.52x = 19,368.53 × 4,151.58
4. Step 4: Simplify right side
   12,910.52x = 80,409,981.02
5. Step 5: Solve for x
   x = 80,409,981.02/12,910.52
6. Step 6: Final answer
   x = 6,228.26