Finding the Fourth Proportional to 111,966.72, 154,460.16 and 69,575.04

Step by Step Solution

1. Step 1: Write the proportion equation
   111,966.72 : 154,460.16 = 69,575.04 : x
2. Step 2: Convert to fraction form
   111,966.72/154,460.16 = 69,575.04/x
3. Step 3: Cross multiply
   111,966.72x = 154,460.16 × 69,575.04
4. Step 4: Simplify right side
   111,966.72x = 10,746,571,810.41
5. Step 5: Solve for x
   x = 10,746,571,810.41/111,966.72
6. Step 6: Final answer
   x = 95,980.05