Finding the Fourth Proportional to 150,921, 208,277.46 and 83,853

Step by Step Solution

1. Step 1: Write the proportion equation
   150,921 : 208,277.46 = 83,853 : x
2. Step 2: Convert to fraction form
   150,921/208,277.46 = 83,853/x
3. Step 3: Cross multiply
   150,921x = 208,277.46 × 83,853
4. Step 4: Simplify right side
   150,921x = 17,464,689,853.38
5. Step 5: Solve for x
   x = 17,464,689,853.38/150,921
6. Step 6: Final answer
   x = 115,720.74