Finding the Fourth Proportional to 151,915.01, 209,644.91 and 83,933.56

Step by Step Solution

1. Step 1: Write the proportion equation
   151,915.01 : 209,644.91 = 83,933.56 : x
2. Step 2: Convert to fraction form
   151,915.01/209,644.91 = 83,933.56/x
3. Step 3: Cross multiply
   151,915.01x = 209,644.91 × 83,933.56
4. Step 4: Simplify right side
   151,915.01x = 17,596,243,003.15
5. Step 5: Solve for x
   x = 17,596,243,003.15/151,915.01
6. Step 6: Final answer
   x = 115,829.52