Finding the Fourth Proportional to 199,359.29, 298,987.59 and 59,085.11

Step by Step Solution

1. Step 1: Write the proportion equation
   199,359.29 : 298,987.59 = 59,085.11 : x
2. Step 2: Convert to fraction form
   199,359.29/298,987.59 = 59,085.11/x
3. Step 3: Cross multiply
   199,359.29x = 298,987.59 × 59,085.11
4. Step 4: Simplify right side
   199,359.29x = 17,665,714,643.78
5. Step 5: Solve for x
   x = 17,665,714,643.78/199,359.29
6. Step 6: Final answer
   x = 88,612.45