Finding the Fourth Proportional to 86,746.51, 130,120.67 and 30,576.15

Step by Step Solution

1. Step 1: Write the proportion equation
   86,746.51 : 130,120.67 = 30,576.15 : x
2. Step 2: Convert to fraction form
   86,746.51/130,120.67 = 30,576.15/x
3. Step 3: Cross multiply
   86,746.51x = 130,120.67 × 30,576.15
4. Step 4: Simplify right side
   86,746.51x = 3,978,589,124.02
5. Step 5: Solve for x
   x = 3,978,589,124.02/86,746.51
6. Step 6: Final answer
   x = 45,864.54