Finding the Fourth Proportional to 109,943.22, 164,897.78 and 42,465.57

Step by Step Solution

1. Step 1: Write the proportion equation
   109,943.22 : 164,897.78 = 42,465.57 : x
2. Step 2: Convert to fraction form
   109,943.22/164,897.78 = 42,465.57/x
3. Step 3: Cross multiply
   109,943.22x = 164,897.78 × 42,465.57
4. Step 4: Simplify right side
   109,943.22x = 7,002,477,388.74
5. Step 5: Solve for x
   x = 7,002,477,388.74/109,943.22
6. Step 6: Final answer
   x = 63,691.76