Finding the Fourth Proportional to 89,904.71, 134,766.55 and 30,700.19

Step by Step Solution

1. Step 1: Write the proportion equation
   89,904.71 : 134,766.55 = 30,700.19 : x
2. Step 2: Convert to fraction form
   89,904.71/134,766.55 = 30,700.19/x
3. Step 3: Cross multiply
   89,904.71x = 134,766.55 × 30,700.19
4. Step 4: Simplify right side
   89,904.71x = 4,137,358,690.64
5. Step 5: Solve for x
   x = 4,137,358,690.64/89,904.71
6. Step 6: Final answer
   x = 46,019.38