Finding the Fourth Proportional to 42,799.86, 64,108.35 and 34,758.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,799.86 : 64,108.35 = 34,758.38 : x
2. Step 2: Convert to fraction form
   42,799.86/64,108.35 = 34,758.38/x
3. Step 3: Cross multiply
   42,799.86x = 64,108.35 × 34,758.38
4. Step 4: Simplify right side
   42,799.86x = 2,228,302,550.74
5. Step 5: Solve for x
   x = 2,228,302,550.74/42,799.86
6. Step 6: Final answer
   x = 52,063.31