Finding the Fourth Proportional to 42,609.96, 63,917.82 and 31,061.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,609.96 : 63,917.82 = 31,061.16 : x
2. Step 2: Convert to fraction form
   42,609.96/63,917.82 = 31,061.16/x
3. Step 3: Cross multiply
   42,609.96x = 63,917.82 × 31,061.16
4. Step 4: Simplify right side
   42,609.96x = 1,985,361,633.87
5. Step 5: Solve for x
   x = 1,985,361,633.87/42,609.96
6. Step 6: Final answer
   x = 46,593.84