Finding the Fourth Proportional to 42,857.86, 64,296.98 and 17,884.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,857.86 : 64,296.98 = 17,884.03 : x
2. Step 2: Convert to fraction form
   42,857.86/64,296.98 = 17,884.03/x
3. Step 3: Cross multiply
   42,857.86x = 64,296.98 × 17,884.03
4. Step 4: Simplify right side
   42,857.86x = 1,149,888,708.32
5. Step 5: Solve for x
   x = 1,149,888,708.32/42,857.86
6. Step 6: Final answer
   x = 26,830.29