Finding the Fourth Proportional to 47,138.02, 70,740.71 and 17,152.18

Step by Step Solution

1. Step 1: Write the proportion equation
   47,138.02 : 70,740.71 = 17,152.18 : x
2. Step 2: Convert to fraction form
   47,138.02/70,740.71 = 17,152.18/x
3. Step 3: Cross multiply
   47,138.02x = 70,740.71 × 17,152.18
4. Step 4: Simplify right side
   47,138.02x = 1,213,356,951.78
5. Step 5: Solve for x
   x = 1,213,356,951.78/47,138.02
6. Step 6: Final answer
   x = 25,740.52