Finding the Fourth Proportional to 69,174.81, 103,499.69 and 42,814.17

Step by Step Solution

1. Step 1: Write the proportion equation
   69,174.81 : 103,499.69 = 42,814.17 : x
2. Step 2: Convert to fraction form
   69,174.81/103,499.69 = 42,814.17/x
3. Step 3: Cross multiply
   69,174.81x = 103,499.69 × 42,814.17
4. Step 4: Simplify right side
   69,174.81x = 4,431,253,108.54
5. Step 5: Solve for x
   x = 4,431,253,108.54/69,174.81
6. Step 6: Final answer
   x = 64,058.77