Finding the Fourth Proportional to 55,970.96, 77,108.52 and 38,945.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,970.96 : 77,108.52 = 38,945.96 : x
2. Step 2: Convert to fraction form
   55,970.96/77,108.52 = 38,945.96/x
3. Step 3: Cross multiply
   55,970.96x = 77,108.52 × 38,945.96
4. Step 4: Simplify right side
   55,970.96x = 3,003,065,490.37
5. Step 5: Solve for x
   x = 3,003,065,490.37/55,970.96
6. Step 6: Final answer
   x = 53,653.99