Finding the Fourth Proportional to 151,511.68, 209,085.27 and 83,528.42

Step by Step Solution

1. Step 1: Write the proportion equation
   151,511.68 : 209,085.27 = 83,528.42 : x
2. Step 2: Convert to fraction form
   151,511.68/209,085.27 = 83,528.42/x
3. Step 3: Cross multiply
   151,511.68x = 209,085.27 × 83,528.42
4. Step 4: Simplify right side
   151,511.68x = 17,464,560,889.72
5. Step 5: Solve for x
   x = 17,464,560,889.72/151,511.68
6. Step 6: Final answer
   x = 115,268.74