Finding the Fourth Proportional to 79,242.76, 109,364.12 and 45,256.09

Step by Step Solution

1. Step 1: Write the proportion equation
   79,242.76 : 109,364.12 = 45,256.09 : x
2. Step 2: Convert to fraction form
   79,242.76/109,364.12 = 45,256.09/x
3. Step 3: Cross multiply
   79,242.76x = 109,364.12 × 45,256.09
4. Step 4: Simplify right side
   79,242.76x = 4,949,392,894.72
5. Step 5: Solve for x
   x = 4,949,392,894.72/79,242.76
6. Step 6: Final answer
   x = 62,458.62