Finding the Fourth Proportional to 76,856, 106,061.28 and 43,322

Step by Step Solution

1. Step 1: Write the proportion equation
   76,856 : 106,061.28 = 43,322 : x
2. Step 2: Convert to fraction form
   76,856/106,061.28 = 43,322/x
3. Step 3: Cross multiply
   76,856x = 106,061.28 × 43,322
4. Step 4: Simplify right side
   76,856x = 4,594,786,772.16
5. Step 5: Solve for x
   x = 4,594,786,772.16/76,856
6. Step 6: Final answer
   x = 59,784.36