Finding the Fourth Proportional to 42,924.30, 64,368.60 and 16,613.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,924.30 : 64,368.60 = 16,613.88 : x
2. Step 2: Convert to fraction form
   42,924.30/64,368.60 = 16,613.88/x
3. Step 3: Cross multiply
   42,924.30x = 64,368.60 × 16,613.88
4. Step 4: Simplify right side
   42,924.30x = 1,069,412,196.17
5. Step 5: Solve for x
   x = 1,069,412,196.17/42,924.30
6. Step 6: Final answer
   x = 24,913.91