Finding the Fourth Proportional to 109,880.42, 164,650.12 and 76,212.17

Step by Step Solution

1. Step 1: Write the proportion equation
   109,880.42 : 164,650.12 = 76,212.17 : x
2. Step 2: Convert to fraction form
   109,880.42/164,650.12 = 76,212.17/x
3. Step 3: Cross multiply
   109,880.42x = 164,650.12 × 76,212.17
4. Step 4: Simplify right side
   109,880.42x = 12,548,342,935.96
5. Step 5: Solve for x
   x = 12,548,342,935.96/109,880.42
6. Step 6: Final answer
   x = 114,199.99