Finding the Fourth Proportional to 56,818.83, 78,412.41 and 31,668.33

Step by Step Solution

1. Step 1: Write the proportion equation
   56,818.83 : 78,412.41 = 31,668.33 : x
2. Step 2: Convert to fraction form
   56,818.83/78,412.41 = 31,668.33/x
3. Step 3: Cross multiply
   56,818.83x = 78,412.41 × 31,668.33
4. Step 4: Simplify right side
   56,818.83x = 2,483,190,018.02
5. Step 5: Solve for x
   x = 2,483,190,018.02/56,818.83
6. Step 6: Final answer
   x = 43,703.65