Finding the Fourth Proportional to 151,801.25, 209,489.06 and 83,818.04

Step by Step Solution

1. Step 1: Write the proportion equation
   151,801.25 : 209,489.06 = 83,818.04 : x
2. Step 2: Convert to fraction form
   151,801.25/209,489.06 = 83,818.04/x
3. Step 3: Cross multiply
   151,801.25x = 209,489.06 × 83,818.04
4. Step 4: Simplify right side
   151,801.25x = 17,558,961,991.55
5. Step 5: Solve for x
   x = 17,558,961,991.55/151,801.25
6. Step 6: Final answer
   x = 115,670.73