Finding the Fourth Proportional to 345,103.02, 517,706.76 and 108,423.42

Step by Step Solution

1. Step 1: Write the proportion equation
   345,103.02 : 517,706.76 = 108,423.42 : x
2. Step 2: Convert to fraction form
   345,103.02/517,706.76 = 108,423.42/x
3. Step 3: Cross multiply
   345,103.02x = 517,706.76 × 108,423.42
4. Step 4: Simplify right side
   345,103.02x = 56,131,537,476.32
5. Step 5: Solve for x
   x = 56,131,537,476.32/345,103.02
6. Step 6: Final answer
   x = 162,651.54