Finding the Fourth Proportional to 55,971.96, 77,109.89 and 38,946.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,971.96 : 77,109.89 = 38,946.96 : x
2. Step 2: Convert to fraction form
   55,971.96/77,109.89 = 38,946.96/x
3. Step 3: Cross multiply
   55,971.96x = 77,109.89 × 38,946.96
4. Step 4: Simplify right side
   55,971.96x = 3,003,195,801.43
5. Step 5: Solve for x
   x = 3,003,195,801.43/55,971.96
6. Step 6: Final answer
   x = 53,655.36