Finding the Fourth Proportional to 42,007.68, 63,022.80 and 17,065.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,007.68 : 63,022.80 = 17,065.08 : x
2. Step 2: Convert to fraction form
   42,007.68/63,022.80 = 17,065.08/x
3. Step 3: Cross multiply
   42,007.68x = 63,022.80 × 17,065.08
4. Step 4: Simplify right side
   42,007.68x = 1,075,489,123.82
5. Step 5: Solve for x
   x = 1,075,489,123.82/42,007.68
6. Step 6: Final answer
   x = 25,602.20