Finding the Fourth Proportional to 52,116.88, 78,146.16 and 17,047.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,116.88 : 78,146.16 = 17,047.12 : x
2. Step 2: Convert to fraction form
   52,116.88/78,146.16 = 17,047.12/x
3. Step 3: Cross multiply
   52,116.88x = 78,146.16 × 17,047.12
4. Step 4: Simplify right side
   52,116.88x = 1,332,166,967.06
5. Step 5: Solve for x
   x = 1,332,166,967.06/52,116.88
6. Step 6: Final answer
   x = 25,561.14