Finding the Fourth Proportional to 108,698.10, 152,384.70 and 108,698.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,698.10 : 152,384.70 = 108,698.10 : x
2. Step 2: Convert to fraction form
   108,698.10/152,384.70 = 108,698.10/x
3. Step 3: Cross multiply
   108,698.10x = 152,384.70 × 108,698.10
4. Step 4: Simplify right side
   108,698.10x = 16,563,927,359.07
5. Step 5: Solve for x
   x = 16,563,927,359.07/108,698.10
6. Step 6: Final answer
   x = 152,384.70