Finding the Fourth Proportional to 123,980, 186,644.72 and 112,957.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,980 : 186,644.72 = 112,957.52 : x
2. Step 2: Convert to fraction form
   123,980/186,644.72 = 112,957.52/x
3. Step 3: Cross multiply
   123,980x = 186,644.72 × 112,957.52
4. Step 4: Simplify right side
   123,980x = 21,082,924,692.29
5. Step 5: Solve for x
   x = 21,082,924,692.29/123,980
6. Step 6: Final answer
   x = 170,051.01