Finding the Fourth Proportional to 141,003, 194,591.82 and 81,406.20

Step by Step Solution

1. Step 1: Write the proportion equation
   141,003 : 194,591.82 = 81,406.20 : x
2. Step 2: Convert to fraction form
   141,003/194,591.82 = 81,406.20/x
3. Step 3: Cross multiply
   141,003x = 194,591.82 × 81,406.20
4. Step 4: Simplify right side
   141,003x = 15,840,980,617.28
5. Step 5: Solve for x
   x = 15,840,980,617.28/141,003
6. Step 6: Final answer
   x = 112,344.99