Finding the Fourth Proportional to 109,371.03, 164,070.23 and 42,802.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,371.03 : 164,070.23 = 42,802.56 : x
2. Step 2: Convert to fraction form
   109,371.03/164,070.23 = 42,802.56/x
3. Step 3: Cross multiply
   109,371.03x = 164,070.23 × 42,802.56
4. Step 4: Simplify right side
   109,371.03x = 7,022,625,863.79
5. Step 5: Solve for x
   x = 7,022,625,863.79/109,371.03
6. Step 6: Final answer
   x = 64,209.20