Finding the Fourth Proportional to 108,946.10, 152,213.50 and 108,946.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,946.10 : 152,213.50 = 108,946.10 : x
2. Step 2: Convert to fraction form
   108,946.10/152,213.50 = 108,946.10/x
3. Step 3: Cross multiply
   108,946.10x = 152,213.50 × 108,946.10
4. Step 4: Simplify right side
   108,946.10x = 16,583,067,192.35
5. Step 5: Solve for x
   x = 16,583,067,192.35/108,946.10
6. Step 6: Final answer
   x = 152,213.50