Finding the Fourth Proportional to 89,392.71, 134,106.36 and 30,238.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,392.71 : 134,106.36 = 30,238.02 : x
2. Step 2: Convert to fraction form
   89,392.71/134,106.36 = 30,238.02/x
3. Step 3: Cross multiply
   89,392.71x = 134,106.36 × 30,238.02
4. Step 4: Simplify right side
   89,392.71x = 4,055,110,795.81
5. Step 5: Solve for x
   x = 4,055,110,795.81/89,392.71
6. Step 6: Final answer
   x = 45,362.88