Finding the Fourth Proportional to 55,876.88, 77,109 and 30,725.84

Step by Step Solution

1. Step 1: Write the proportion equation
   55,876.88 : 77,109 = 30,725.84 : x
2. Step 2: Convert to fraction form
   55,876.88/77,109 = 30,725.84/x
3. Step 3: Cross multiply
   55,876.88x = 77,109 × 30,725.84
4. Step 4: Simplify right side
   55,876.88x = 2,369,238,796.56
5. Step 5: Solve for x
   x = 2,369,238,796.56/55,876.88
6. Step 6: Final answer
   x = 42,401.06