Finding the Fourth Proportional to 46,280.08, 69,422.71 and 12,997.55

Step by Step Solution

1. Step 1: Write the proportion equation
   46,280.08 : 69,422.71 = 12,997.55 : x
2. Step 2: Convert to fraction form
   46,280.08/69,422.71 = 12,997.55/x
3. Step 3: Cross multiply
   46,280.08x = 69,422.71 × 12,997.55
4. Step 4: Simplify right side
   46,280.08x = 902,325,144.36
5. Step 5: Solve for x
   x = 902,325,144.36/46,280.08
6. Step 6: Final answer
   x = 19,497.05