Finding the Fourth Proportional to 214,426.69, 321,651.57 and 56,650.84

Step by Step Solution

1. Step 1: Write the proportion equation
   214,426.69 : 321,651.57 = 56,650.84 : x
2. Step 2: Convert to fraction form
   214,426.69/321,651.57 = 56,650.84/x
3. Step 3: Cross multiply
   214,426.69x = 321,651.57 × 56,650.84
4. Step 4: Simplify right side
   214,426.69x = 18,221,831,627.82
5. Step 5: Solve for x
   x = 18,221,831,627.82/214,426.69
6. Step 6: Final answer
   x = 84,979.31