Finding the Fourth Proportional to 42,699.69, 64,055.00 and 16,401.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,699.69 : 64,055.00 = 16,401.02 : x
2. Step 2: Convert to fraction form
   42,699.69/64,055.00 = 16,401.02/x
3. Step 3: Cross multiply
   42,699.69x = 64,055.00 × 16,401.02
4. Step 4: Simplify right side
   42,699.69x = 1,050,567,056.83
5. Step 5: Solve for x
   x = 1,050,567,056.83/42,699.69
6. Step 6: Final answer
   x = 24,603.62