Finding the Fourth Proportional to 42,066.64, 63,098.58 and 17,099.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,066.64 : 63,098.58 = 17,099.32 : x
2. Step 2: Convert to fraction form
   42,066.64/63,098.58 = 17,099.32/x
3. Step 3: Cross multiply
   42,066.64x = 63,098.58 × 17,099.32
4. Step 4: Simplify right side
   42,066.64x = 1,078,942,810.97
5. Step 5: Solve for x
   x = 1,078,942,810.97/42,066.64
6. Step 6: Final answer
   x = 25,648.42