Finding the Fourth Proportional to 141,132.25, 194,762.78 and 83,783.07

Step by Step Solution

1. Step 1: Write the proportion equation
   141,132.25 : 194,762.78 = 83,783.07 : x
2. Step 2: Convert to fraction form
   141,132.25/194,762.78 = 83,783.07/x
3. Step 3: Cross multiply
   141,132.25x = 194,762.78 × 83,783.07
4. Step 4: Simplify right side
   141,132.25x = 16,317,824,308.82
5. Step 5: Solve for x
   x = 16,317,824,308.82/141,132.25
6. Step 6: Final answer
   x = 115,620.80