Finding the Fourth Proportional to 52,323.21, 78,501.15 and 17,287.47

Step by Step Solution

1. Step 1: Write the proportion equation
   52,323.21 : 78,501.15 = 17,287.47 : x
2. Step 2: Convert to fraction form
   52,323.21/78,501.15 = 17,287.47/x
3. Step 3: Cross multiply
   52,323.21x = 78,501.15 × 17,287.47
4. Step 4: Simplify right side
   52,323.21x = 1,357,086,275.59
5. Step 5: Solve for x
   x = 1,357,086,275.59/52,323.21
6. Step 6: Final answer
   x = 25,936.60