Finding the Fourth Proportional to 141,178.90, 194,741.25 and 83,780.41

Step by Step Solution

1. Step 1: Write the proportion equation
   141,178.90 : 194,741.25 = 83,780.41 : x
2. Step 2: Convert to fraction form
   141,178.90/194,741.25 = 83,780.41/x
3. Step 3: Cross multiply
   141,178.90x = 194,741.25 × 83,780.41
4. Step 4: Simplify right side
   141,178.90x = 16,315,501,768.91
5. Step 5: Solve for x
   x = 16,315,501,768.91/141,178.90
6. Step 6: Final answer
   x = 115,566.15