Finding the Fourth Proportional to 190,402.77, 285,796.37 and 83,834.20

Step by Step Solution

1. Step 1: Write the proportion equation
   190,402.77 : 285,796.37 = 83,834.20 : x
2. Step 2: Convert to fraction form
   190,402.77/285,796.37 = 83,834.20/x
3. Step 3: Cross multiply
   190,402.77x = 285,796.37 × 83,834.20
4. Step 4: Simplify right side
   190,402.77x = 23,959,510,608.69
5. Step 5: Solve for x
   x = 23,959,510,608.69/190,402.77
6. Step 6: Final answer
   x = 125,835.93