Finding the Fourth Proportional to 103,234.07, 154,746.52 and 69,957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,234.07 : 154,746.52 = 69,957.50 : x
2. Step 2: Convert to fraction form
   103,234.07/154,746.52 = 69,957.50/x
3. Step 3: Cross multiply
   103,234.07x = 154,746.52 × 69,957.50
4. Step 4: Simplify right side
   103,234.07x = 10,825,678,724.27
5. Step 5: Solve for x
   x = 10,825,678,724.27/103,234.07
6. Step 6: Final answer
   x = 104,865.37