Finding the Fourth Proportional to 109,601.19, 164,338.83 and 42,963.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,601.19 : 164,338.83 = 42,963.30 : x
2. Step 2: Convert to fraction form
   109,601.19/164,338.83 = 42,963.30/x
3. Step 3: Cross multiply
   109,601.19x = 164,338.83 × 42,963.30
4. Step 4: Simplify right side
   109,601.19x = 7,060,538,454.94
5. Step 5: Solve for x
   x = 7,060,538,454.94/109,601.19
6. Step 6: Final answer
   x = 64,420.27