Finding the Fourth Proportional to 151,809.58, 209,498.94 and 83,826.46

Step by Step Solution

1. Step 1: Write the proportion equation
   151,809.58 : 209,498.94 = 83,826.46 : x
2. Step 2: Convert to fraction form
   151,809.58/209,498.94 = 83,826.46/x
3. Step 3: Cross multiply
   151,809.58x = 209,498.94 × 83,826.46
4. Step 4: Simplify right side
   151,809.58x = 17,561,554,513.95
5. Step 5: Solve for x
   x = 17,561,554,513.95/151,809.58
6. Step 6: Final answer
   x = 115,681.46