Finding the Fourth Proportional to 151,364.22, 208,898.94 and 83,388.12

Step by Step Solution

1. Step 1: Write the proportion equation
   151,364.22 : 208,898.94 = 83,388.12 : x
2. Step 2: Convert to fraction form
   151,364.22/208,898.94 = 83,388.12/x
3. Step 3: Cross multiply
   151,364.22x = 208,898.94 × 83,388.12
4. Step 4: Simplify right side
   151,364.22x = 17,419,689,876.59
5. Step 5: Solve for x
   x = 17,419,689,876.59/151,364.22
6. Step 6: Final answer
   x = 115,084.59