Finding the Fourth Proportional to 109,422.24, 164,133.40 and 84,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,422.24 : 164,133.40 = 84,498.72 : x
2. Step 2: Convert to fraction form
   109,422.24/164,133.40 = 84,498.72/x
3. Step 3: Cross multiply
   109,422.24x = 164,133.40 × 84,498.72
4. Step 4: Simplify right side
   109,422.24x = 13,869,062,209.25
5. Step 5: Solve for x
   x = 13,869,062,209.25/109,422.24
6. Step 6: Final answer
   x = 126,748.11