Finding the Fourth Proportional to 69,336.72, 103,939.46 and 42,699.06

Step by Step Solution

1. Step 1: Write the proportion equation
   69,336.72 : 103,939.46 = 42,699.06 : x
2. Step 2: Convert to fraction form
   69,336.72/103,939.46 = 42,699.06/x
3. Step 3: Cross multiply
   69,336.72x = 103,939.46 × 42,699.06
4. Step 4: Simplify right side
   69,336.72x = 4,438,117,238.91
5. Step 5: Solve for x
   x = 4,438,117,238.91/69,336.72
6. Step 6: Final answer
   x = 64,008.18