Finding the Fourth Proportional to 109,370.16, 164,068.92 and 42,801.69

Step by Step Solution

1. Step 1: Write the proportion equation
   109,370.16 : 164,068.92 = 42,801.69 : x
2. Step 2: Convert to fraction form
   109,370.16/164,068.92 = 42,801.69/x
3. Step 3: Cross multiply
   109,370.16x = 164,068.92 × 42,801.69
4. Step 4: Simplify right side
   109,370.16x = 7,022,427,052.47
5. Step 5: Solve for x
   x = 7,022,427,052.47/109,370.16
6. Step 6: Final answer
   x = 64,207.89