Finding the Fourth Proportional to 42,822.06, 64,238.82 and 40,461.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,822.06 : 64,238.82 = 40,461.18 : x
2. Step 2: Convert to fraction form
   42,822.06/64,238.82 = 40,461.18/x
3. Step 3: Cross multiply
   42,822.06x = 64,238.82 × 40,461.18
4. Step 4: Simplify right side
   42,822.06x = 2,599,178,459.01
5. Step 5: Solve for x
   x = 2,599,178,459.01/42,822.06
6. Step 6: Final answer
   x = 60,697.18