Finding the Fourth Proportional to 69,034.16, 103,682.52 and 42,921.38

Step by Step Solution

1. Step 1: Write the proportion equation
   69,034.16 : 103,682.52 = 42,921.38 : x
2. Step 2: Convert to fraction form
   69,034.16/103,682.52 = 42,921.38/x
3. Step 3: Cross multiply
   69,034.16x = 103,682.52 × 42,921.38
4. Step 4: Simplify right side
   69,034.16x = 4,450,196,321.87
5. Step 5: Solve for x
   x = 4,450,196,321.87/69,034.16
6. Step 6: Final answer
   x = 64,463.69