Finding the Fourth Proportional to 163,906.76, 245,758.32 and 69,088.16

Step by Step Solution

1. Step 1: Write the proportion equation
   163,906.76 : 245,758.32 = 69,088.16 : x
2. Step 2: Convert to fraction form
   163,906.76/245,758.32 = 69,088.16/x
3. Step 3: Cross multiply
   163,906.76x = 245,758.32 × 69,088.16
4. Step 4: Simplify right side
   163,906.76x = 16,978,990,747.89
5. Step 5: Solve for x
   x = 16,978,990,747.89/163,906.76
6. Step 6: Final answer
   x = 103,589.32