Finding the Fourth Proportional to 11,570.23, 17,356.71 and 4,178.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,570.23 : 17,356.71 = 4,178.17 : x
2. Step 2: Convert to fraction form
   11,570.23/17,356.71 = 4,178.17/x
3. Step 3: Cross multiply
   11,570.23x = 17,356.71 × 4,178.17
4. Step 4: Simplify right side
   11,570.23x = 72,519,285.02
5. Step 5: Solve for x
   x = 72,519,285.02/11,570.23
6. Step 6: Final answer
   x = 6,267.75