Finding the Fourth Proportional to 123,770.42, 170,814.06 and 69,321.74

Step by Step Solution

1. Step 1: Write the proportion equation
   123,770.42 : 170,814.06 = 69,321.74 : x
2. Step 2: Convert to fraction form
   123,770.42/170,814.06 = 69,321.74/x
3. Step 3: Cross multiply
   123,770.42x = 170,814.06 × 69,321.74
4. Step 4: Simplify right side
   123,770.42x = 11,841,127,001.59
5. Step 5: Solve for x
   x = 11,841,127,001.59/123,770.42
6. Step 6: Final answer
   x = 95,670.09