Finding the Fourth Proportional to 42,922.45, 64,392.90 and 14,462.23

Step by Step Solution

1. Step 1: Write the proportion equation
   42,922.45 : 64,392.90 = 14,462.23 : x
2. Step 2: Convert to fraction form
   42,922.45/64,392.90 = 14,462.23/x
3. Step 3: Cross multiply
   42,922.45x = 64,392.90 × 14,462.23
4. Step 4: Simplify right side
   42,922.45x = 931,265,064.89
5. Step 5: Solve for x
   x = 931,265,064.89/42,922.45
6. Step 6: Final answer
   x = 21,696.46