Finding the Fourth Proportional to 109,374.17, 164,074.92 and 42,805.69

Step by Step Solution

1. Step 1: Write the proportion equation
   109,374.17 : 164,074.92 = 42,805.69 : x
2. Step 2: Convert to fraction form
   109,374.17/164,074.92 = 42,805.69/x
3. Step 3: Cross multiply
   109,374.17x = 164,074.92 × 42,805.69
4. Step 4: Simplify right side
   109,374.17x = 7,023,340,162.29
5. Step 5: Solve for x
   x = 7,023,340,162.29/109,374.17
6. Step 6: Final answer
   x = 64,213.88