Finding the Fourth Proportional to 12,932.34, 19,413.06 and 5,146.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,932.34 : 19,413.06 = 5,146.62 : x
2. Step 2: Convert to fraction form
   12,932.34/19,413.06 = 5,146.62/x
3. Step 3: Cross multiply
   12,932.34x = 19,413.06 × 5,146.62
4. Step 4: Simplify right side
   12,932.34x = 99,911,642.86
5. Step 5: Solve for x
   x = 99,911,642.86/12,932.34
6. Step 6: Final answer
   x = 7,725.72