Finding the Fourth Proportional to 64,212, 88,612.56 and 41,856

Step by Step Solution

1. Step 1: Write the proportion equation
   64,212 : 88,612.56 = 41,856 : x
2. Step 2: Convert to fraction form
   64,212/88,612.56 = 41,856/x
3. Step 3: Cross multiply
   64,212x = 88,612.56 × 41,856
4. Step 4: Simplify right side
   64,212x = 3,708,967,311.36
5. Step 5: Solve for x
   x = 3,708,967,311.36/64,212
6. Step 6: Final answer
   x = 57,761.28