Finding the Fourth Proportional to 46,218.79, 69,322.83 and 12,941.52

Step by Step Solution

1. Step 1: Write the proportion equation
   46,218.79 : 69,322.83 = 12,941.52 : x
2. Step 2: Convert to fraction form
   46,218.79/69,322.83 = 12,941.52/x
3. Step 3: Cross multiply
   46,218.79x = 69,322.83 × 12,941.52
4. Step 4: Simplify right side
   46,218.79x = 897,142,790.90
5. Step 5: Solve for x
   x = 897,142,790.90/46,218.79
6. Step 6: Final answer
   x = 19,410.78