Finding the Fourth Proportional to 72,097.32, 98,771.69 and 69,401.91

Step by Step Solution

1. Step 1: Write the proportion equation
   72,097.32 : 98,771.69 = 69,401.91 : x
2. Step 2: Convert to fraction form
   72,097.32/98,771.69 = 69,401.91/x
3. Step 3: Cross multiply
   72,097.32x = 98,771.69 × 69,401.91
4. Step 4: Simplify right side
   72,097.32x = 6,854,944,113.43
5. Step 5: Solve for x
   x = 6,854,944,113.43/72,097.32
6. Step 6: Final answer
   x = 95,079.04