Finding the Fourth Proportional to 108,682.30, 152,431.70 and 108,682.30

Step by Step Solution

1. Step 1: Write the proportion equation
   108,682.30 : 152,431.70 = 108,682.30 : x
2. Step 2: Convert to fraction form
   108,682.30/152,431.70 = 108,682.30/x
3. Step 3: Cross multiply
   108,682.30x = 152,431.70 × 108,682.30
4. Step 4: Simplify right side
   108,682.30x = 16,566,627,748.91
5. Step 5: Solve for x
   x = 16,566,627,748.91/108,682.30
6. Step 6: Final answer
   x = 152,431.70