Finding the Fourth Proportional to 42,663.15, 64,002.94 and 16,365.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,663.15 : 64,002.94 = 16,365.89 : x
2. Step 2: Convert to fraction form
   42,663.15/64,002.94 = 16,365.89/x
3. Step 3: Cross multiply
   42,663.15x = 64,002.94 × 16,365.89
4. Step 4: Simplify right side
   42,663.15x = 1,047,465,194.81
5. Step 5: Solve for x
   x = 1,047,465,194.81/42,663.15
6. Step 6: Final answer
   x = 24,551.99