Finding the Fourth Proportional to 42,045.61, 63,085.25 and 17,087.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,045.61 : 63,085.25 = 17,087.58 : x
2. Step 2: Convert to fraction form
   42,045.61/63,085.25 = 17,087.58/x
3. Step 3: Cross multiply
   42,045.61x = 63,085.25 × 17,087.58
4. Step 4: Simplify right side
   42,045.61x = 1,077,974,256.20
5. Step 5: Solve for x
   x = 1,077,974,256.20/42,045.61
6. Step 6: Final answer
   x = 25,638.21