Finding the Fourth Proportional to 79,172.43, 109,230.83 and 45,156.34

Step by Step Solution

1. Step 1: Write the proportion equation
   79,172.43 : 109,230.83 = 45,156.34 : x
2. Step 2: Convert to fraction form
   79,172.43/109,230.83 = 45,156.34/x
3. Step 3: Cross multiply
   79,172.43x = 109,230.83 × 45,156.34
4. Step 4: Simplify right side
   79,172.43x = 4,932,464,272.18
5. Step 5: Solve for x
   x = 4,932,464,272.18/79,172.43
6. Step 6: Final answer
   x = 62,300.28