Finding the Fourth Proportional to 109,395.99, 164,028.30 and 42,756.71

Step by Step Solution

1. Step 1: Write the proportion equation
   109,395.99 : 164,028.30 = 42,756.71 : x
2. Step 2: Convert to fraction form
   109,395.99/164,028.30 = 42,756.71/x
3. Step 3: Cross multiply
   109,395.99x = 164,028.30 × 42,756.71
4. Step 4: Simplify right side
   109,395.99x = 7,013,309,634.75
5. Step 5: Solve for x
   x = 7,013,309,634.75/109,395.99
6. Step 6: Final answer
   x = 64,109.38