Finding the Fourth Proportional to 111,640.98, 154,026.45 and 69,184.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,640.98 : 154,026.45 = 69,184.02 : x
2. Step 2: Convert to fraction form
   111,640.98/154,026.45 = 69,184.02/x
3. Step 3: Cross multiply
   111,640.98x = 154,026.45 × 69,184.02
4. Step 4: Simplify right side
   111,640.98x = 10,656,168,997.33
5. Step 5: Solve for x
   x = 10,656,168,997.33/111,640.98
6. Step 6: Final answer
   x = 95,450.34