Finding the Fourth Proportional to 151,762.31, 209,421.25 and 83,768.38

Step by Step Solution

1. Step 1: Write the proportion equation
   151,762.31 : 209,421.25 = 83,768.38 : x
2. Step 2: Convert to fraction form
   151,762.31/209,421.25 = 83,768.38/x
3. Step 3: Cross multiply
   151,762.31x = 209,421.25 × 83,768.38
4. Step 4: Simplify right side
   151,762.31x = 17,542,878,117.10
5. Step 5: Solve for x
   x = 17,542,878,117.10/151,762.31
6. Step 6: Final answer
   x = 115,594.43