Finding the Fourth Proportional to 42,799.37, 64,206.23 and 14,718.29

Step by Step Solution

1. Step 1: Write the proportion equation
   42,799.37 : 64,206.23 = 14,718.29 : x
2. Step 2: Convert to fraction form
   42,799.37/64,206.23 = 14,718.29/x
3. Step 3: Cross multiply
   42,799.37x = 64,206.23 × 14,718.29
4. Step 4: Simplify right side
   42,799.37x = 945,005,518.32
5. Step 5: Solve for x
   x = 945,005,518.32/42,799.37
6. Step 6: Final answer
   x = 22,079.90