Finding the Fourth Proportional to 89,720.96, 134,562.72 and 30,556.16

Step by Step Solution

1. Step 1: Write the proportion equation
   89,720.96 : 134,562.72 = 30,556.16 : x
2. Step 2: Convert to fraction form
   89,720.96/134,562.72 = 30,556.16/x
3. Step 3: Cross multiply
   89,720.96x = 134,562.72 × 30,556.16
4. Step 4: Simplify right side
   89,720.96x = 4,111,720,002.36
5. Step 5: Solve for x
   x = 4,111,720,002.36/89,720.96
6. Step 6: Final answer
   x = 45,827.86