Finding the Fourth Proportional to 42,857,008.71, 64,285,163.15 and 17,297,627.19

Step by Step Solution

1. Step 1: Write the proportion equation
   42,857,008.71 : 64,285,163.15 = 17,297,627.19 : x
2. Step 2: Convert to fraction form
   42,857,008.71/64,285,163.15 = 17,297,627.19/x
3. Step 3: Cross multiply
   42,857,008.71x = 64,285,163.15 × 17,297,627.19
4. Step 4: Simplify right side
   42,857,008.71x = 1,111,980,785,930,538
5. Step 5: Solve for x
   x = 1,111,980,785,930,538/42,857,008.71
6. Step 6: Final answer
   x = 25,946,299.55