Finding the Fourth Proportional to 82,449.10, 123,527.85 and 69,910.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,449.10 : 123,527.85 = 69,910.30 : x
2. Step 2: Convert to fraction form
   82,449.10/123,527.85 = 69,910.30/x
3. Step 3: Cross multiply
   82,449.10x = 123,527.85 × 69,910.30
4. Step 4: Simplify right side
   82,449.10x = 8,635,869,051.86
5. Step 5: Solve for x
   x = 8,635,869,051.86/82,449.10
6. Step 6: Final answer
   x = 104,741.82