Finding the Fourth Proportional to 109,588.34, 164,397.96 and 42,992.34

Step by Step Solution

1. Step 1: Write the proportion equation
   109,588.34 : 164,397.96 = 42,992.34 : x
2. Step 2: Convert to fraction form
   109,588.34/164,397.96 = 42,992.34/x
3. Step 3: Cross multiply
   109,588.34x = 164,397.96 × 42,992.34
4. Step 4: Simplify right side
   109,588.34x = 7,067,852,991.63
5. Step 5: Solve for x
   x = 7,067,852,991.63/109,588.34
6. Step 6: Final answer
   x = 64,494.57