Finding the Fourth Proportional to 46,426.22, 69,638.00 and 13,146.21

Step by Step Solution

1. Step 1: Write the proportion equation
   46,426.22 : 69,638.00 = 13,146.21 : x
2. Step 2: Convert to fraction form
   46,426.22/69,638.00 = 13,146.21/x
3. Step 3: Cross multiply
   46,426.22x = 69,638.00 × 13,146.21
4. Step 4: Simplify right side
   46,426.22x = 915,475,706.25
5. Step 5: Solve for x
   x = 915,475,706.25/46,426.22
6. Step 6: Final answer
   x = 19,718.94