Finding the Fourth Proportional to 73,856.31, 101,921.18 and 40,322.31

Step by Step Solution

1. Step 1: Write the proportion equation
   73,856.31 : 101,921.18 = 40,322.31 : x
2. Step 2: Convert to fraction form
   73,856.31/101,921.18 = 40,322.31/x
3. Step 3: Cross multiply
   73,856.31x = 101,921.18 × 40,322.31
4. Step 4: Simplify right side
   73,856.31x = 4,109,697,415.53
5. Step 5: Solve for x
   x = 4,109,697,415.53/73,856.31
6. Step 6: Final answer
   x = 55,644.50