Finding the Fourth Proportional to 55,875.34, 77,109.33 and 30,724.84

Step by Step Solution

1. Step 1: Write the proportion equation
   55,875.34 : 77,109.33 = 30,724.84 : x
2. Step 2: Convert to fraction form
   55,875.34/77,109.33 = 30,724.84/x
3. Step 3: Cross multiply
   55,875.34x = 77,109.33 × 30,724.84
4. Step 4: Simplify right side
   55,875.34x = 2,369,171,826.76
5. Step 5: Solve for x
   x = 2,369,171,826.76/55,875.34
6. Step 6: Final answer
   x = 42,401.03