Finding the Fourth Proportional to 42,995.82, 64,492.29 and 19,622.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,995.82 : 64,492.29 = 19,622.10 : x
2. Step 2: Convert to fraction form
   42,995.82/64,492.29 = 19,622.10/x
3. Step 3: Cross multiply
   42,995.82x = 64,492.29 × 19,622.10
4. Step 4: Simplify right side
   42,995.82x = 1,265,474,163.61
5. Step 5: Solve for x
   x = 1,265,474,163.61/42,995.82
6. Step 6: Final answer
   x = 29,432.49