Finding the Fourth Proportional to 151,511.94, 209,087.88 and 83,531.34

Step by Step Solution

1. Step 1: Write the proportion equation
   151,511.94 : 209,087.88 = 83,531.34 : x
2. Step 2: Convert to fraction form
   151,511.94/209,087.88 = 83,531.34/x
3. Step 3: Cross multiply
   151,511.94x = 209,087.88 × 83,531.34
4. Step 4: Simplify right side
   151,511.94x = 17,465,390,794.16
5. Step 5: Solve for x
   x = 17,465,390,794.16/151,511.94
6. Step 6: Final answer
   x = 115,274.02