Finding the Fourth Proportional to 109,310.61, 164,059.38 and 42,797.45

Step by Step Solution

1. Step 1: Write the proportion equation
   109,310.61 : 164,059.38 = 42,797.45 : x
2. Step 2: Convert to fraction form
   109,310.61/164,059.38 = 42,797.45/x
3. Step 3: Cross multiply
   109,310.61x = 164,059.38 × 42,797.45
4. Step 4: Simplify right side
   109,310.61x = 7,021,322,898.59
5. Step 5: Solve for x
   x = 7,021,322,898.59/109,310.61
6. Step 6: Final answer
   x = 64,232.77