Finding the Fourth Proportional to 79,224.55, 109,332.89 and 45,238.57

Step by Step Solution

1. Step 1: Write the proportion equation
   79,224.55 : 109,332.89 = 45,238.57 : x
2. Step 2: Convert to fraction form
   79,224.55/109,332.89 = 45,238.57/x
3. Step 3: Cross multiply
   79,224.55x = 109,332.89 × 45,238.57
4. Step 4: Simplify right side
   79,224.55x = 4,946,063,267.69
5. Step 5: Solve for x
   x = 4,946,063,267.69/79,224.55
6. Step 6: Final answer
   x = 62,430.94