Finding the Fourth Proportional to 89,424.76, 134,053.76 and 30,219.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,424.76 : 134,053.76 = 30,219.02 : x
2. Step 2: Convert to fraction form
   89,424.76/134,053.76 = 30,219.02/x
3. Step 3: Cross multiply
   89,424.76x = 134,053.76 × 30,219.02
4. Step 4: Simplify right side
   89,424.76x = 4,050,973,831.56
5. Step 5: Solve for x
   x = 4,050,973,831.56/89,424.76
6. Step 6: Final answer
   x = 45,300.36