Finding the Fourth Proportional to 42,047.50, 63,079.91 and 17,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,047.50 : 63,079.91 = 17,087.50 : x
2. Step 2: Convert to fraction form
   42,047.50/63,079.91 = 17,087.50/x
3. Step 3: Cross multiply
   42,047.50x = 63,079.91 × 17,087.50
4. Step 4: Simplify right side
   42,047.50x = 1,077,877,561.29
5. Step 5: Solve for x
   x = 1,077,877,561.29/42,047.50
6. Step 6: Final answer
   x = 25,634.76