Finding the Fourth Proportional to 76,524.72, 105,362.90 and 69,430.83

Step by Step Solution

1. Step 1: Write the proportion equation
   76,524.72 : 105,362.90 = 69,430.83 : x
2. Step 2: Convert to fraction form
   76,524.72/105,362.90 = 69,430.83/x
3. Step 3: Cross multiply
   76,524.72x = 105,362.90 × 69,430.83
4. Step 4: Simplify right side
   76,524.72x = 7,315,433,116.31
5. Step 5: Solve for x
   x = 7,315,433,116.31/76,524.72
6. Step 6: Final answer
   x = 95,595.69