Finding the Fourth Proportional to 86,995.86, 130,514.52 and 30,840.86

Step by Step Solution

1. Step 1: Write the proportion equation
   86,995.86 : 130,514.52 = 30,840.86 : x
2. Step 2: Convert to fraction form
   86,995.86/130,514.52 = 30,840.86/x
3. Step 3: Cross multiply
   86,995.86x = 130,514.52 × 30,840.86
4. Step 4: Simplify right side
   86,995.86x = 4,025,180,039.29
5. Step 5: Solve for x
   x = 4,025,180,039.29/86,995.86
6. Step 6: Final answer
   x = 46,268.64