Finding the Fourth Proportional to 162,669.56, 243,071.91 and 123,986.99

Step by Step Solution

1. Step 1: Write the proportion equation
   162,669.56 : 243,071.91 = 123,986.99 : x
2. Step 2: Convert to fraction form
   162,669.56/243,071.91 = 123,986.99/x
3. Step 3: Cross multiply
   162,669.56x = 243,071.91 × 123,986.99
4. Step 4: Simplify right side
   162,669.56x = 30,137,755,082.13
5. Step 5: Solve for x
   x = 30,137,755,082.13/162,669.56
6. Step 6: Final answer
   x = 185,269.79