Finding the Fourth Proportional to 151,956.66, 209,689.71 and 83,973

Step by Step Solution

1. Step 1: Write the proportion equation
   151,956.66 : 209,689.71 = 83,973 : x
2. Step 2: Convert to fraction form
   151,956.66/209,689.71 = 83,973/x
3. Step 3: Cross multiply
   151,956.66x = 209,689.71 × 83,973
4. Step 4: Simplify right side
   151,956.66x = 17,608,274,017.83
5. Step 5: Solve for x
   x = 17,608,274,017.83/151,956.66
6. Step 6: Final answer
   x = 115,876.95