Finding the Fourth Proportional to 89,587.72, 134,393.93 and 30,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,587.72 : 134,393.93 = 30,407.50 : x
2. Step 2: Convert to fraction form
   89,587.72/134,393.93 = 30,407.50/x
3. Step 3: Cross multiply
   89,587.72x = 134,393.93 × 30,407.50
4. Step 4: Simplify right side
   89,587.72x = 4,086,583,426.48
5. Step 5: Solve for x
   x = 4,086,583,426.48/89,587.72
6. Step 6: Final answer
   x = 45,615.44