Finding the Fourth Proportional to 163,977.29, 245,706.86 and 123,806.15

Step by Step Solution

1. Step 1: Write the proportion equation
   163,977.29 : 245,706.86 = 123,806.15 : x
2. Step 2: Convert to fraction form
   163,977.29/245,706.86 = 123,806.15/x
3. Step 3: Cross multiply
   163,977.29x = 245,706.86 × 123,806.15
4. Step 4: Simplify right side
   163,977.29x = 30,420,019,446.17
5. Step 5: Solve for x
   x = 30,420,019,446.17/163,977.29
6. Step 6: Final answer
   x = 185,513.62