Finding the Fourth Proportional to 42,412.46, 63,640.56 and 17,470.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,412.46 : 63,640.56 = 17,470.94 : x
2. Step 2: Convert to fraction form
   42,412.46/63,640.56 = 17,470.94/x
3. Step 3: Cross multiply
   42,412.46x = 63,640.56 × 17,470.94
4. Step 4: Simplify right side
   42,412.46x = 1,111,860,087.12
5. Step 5: Solve for x
   x = 1,111,860,087.12/42,412.46
6. Step 6: Final answer
   x = 26,215.41