Finding the Fourth Proportional to 109,422.88, 164,134.16 and 42,816.26

Step by Step Solution

1. Step 1: Write the proportion equation
   109,422.88 : 164,134.16 = 42,816.26 : x
2. Step 2: Convert to fraction form
   109,422.88/164,134.16 = 42,816.26/x
3. Step 3: Cross multiply
   109,422.88x = 164,134.16 × 42,816.26
4. Step 4: Simplify right side
   109,422.88x = 7,027,611,226.26
5. Step 5: Solve for x
   x = 7,027,611,226.26/109,422.88
6. Step 6: Final answer
   x = 64,224.33