Finding the Fourth Proportional to 109,519.32, 164,238.89 and 53,342.58

Step by Step Solution

1. Step 1: Write the proportion equation
   109,519.32 : 164,238.89 = 53,342.58 : x
2. Step 2: Convert to fraction form
   109,519.32/164,238.89 = 53,342.58/x
3. Step 3: Cross multiply
   109,519.32x = 164,238.89 × 53,342.58
4. Step 4: Simplify right side
   109,519.32x = 8,760,925,862.22
5. Step 5: Solve for x
   x = 8,760,925,862.22/109,519.32
6. Step 6: Final answer
   x = 79,994.34