Finding the Fourth Proportional to 151,883.16, 209,600.71 and 83,899.86

Step by Step Solution

1. Step 1: Write the proportion equation
   151,883.16 : 209,600.71 = 83,899.86 : x
2. Step 2: Convert to fraction form
   151,883.16/209,600.71 = 83,899.86/x
3. Step 3: Cross multiply
   151,883.16x = 209,600.71 × 83,899.86
4. Step 4: Simplify right side
   151,883.16x = 17,585,470,015.15
5. Step 5: Solve for x
   x = 17,585,470,015.15/151,883.16
6. Step 6: Final answer
   x = 115,782.88