Finding the Fourth Proportional to 109,525.82, 164,288.72 and 42,997.28

Step by Step Solution

1. Step 1: Write the proportion equation
   109,525.82 : 164,288.72 = 42,997.28 : x
2. Step 2: Convert to fraction form
   109,525.82/164,288.72 = 42,997.28/x
3. Step 3: Cross multiply
   109,525.82x = 164,288.72 × 42,997.28
4. Step 4: Simplify right side
   109,525.82x = 7,063,967,380.73
5. Step 5: Solve for x
   x = 7,063,967,380.73/109,525.82
6. Step 6: Final answer
   x = 64,495.91