Finding the Fourth Proportional to 42,788.27, 64,186.69 and 14,704.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,788.27 : 64,186.69 = 14,704.62 : x
2. Step 2: Convert to fraction form
   42,788.27/64,186.69 = 14,704.62/x
3. Step 3: Cross multiply
   42,788.27x = 64,186.69 × 14,704.62
4. Step 4: Simplify right side
   42,788.27x = 943,840,885.51
5. Step 5: Solve for x
   x = 943,840,885.51/42,788.27
6. Step 6: Final answer
   x = 22,058.40