Finding the Fourth Proportional to 109,445.16, 164,070.85 and 42,933.03

Step by Step Solution

1. Step 1: Write the proportion equation
   109,445.16 : 164,070.85 = 42,933.03 : x
2. Step 2: Convert to fraction form
   109,445.16/164,070.85 = 42,933.03/x
3. Step 3: Cross multiply
   109,445.16x = 164,070.85 × 42,933.03
4. Step 4: Simplify right side
   109,445.16x = 7,044,058,725.18
5. Step 5: Solve for x
   x = 7,044,058,725.18/109,445.16
6. Step 6: Final answer
   x = 64,361.54