Finding the Fourth Proportional to 42,455.61, 63,696.71 and 17,507.41

Step by Step Solution

1. Step 1: Write the proportion equation
   42,455.61 : 63,696.71 = 17,507.41 : x
2. Step 2: Convert to fraction form
   42,455.61/63,696.71 = 17,507.41/x
3. Step 3: Cross multiply
   42,455.61x = 63,696.71 × 17,507.41
4. Step 4: Simplify right side
   42,455.61x = 1,115,164,302.15
5. Step 5: Solve for x
   x = 1,115,164,302.15/42,455.61
6. Step 6: Final answer
   x = 26,266.59