Finding the Fourth Proportional to 79,100.73, 109,108.62 and 55,218.69

Step by Step Solution

1. Step 1: Write the proportion equation
   79,100.73 : 109,108.62 = 55,218.69 : x
2. Step 2: Convert to fraction form
   79,100.73/109,108.62 = 55,218.69/x
3. Step 3: Cross multiply
   79,100.73x = 109,108.62 × 55,218.69
4. Step 4: Simplify right side
   79,100.73x = 6,024,835,064.11
5. Step 5: Solve for x
   x = 6,024,835,064.11/79,100.73
6. Step 6: Final answer
   x = 76,166.62