Finding the Fourth Proportional to 132,984.18, 199,213.83 and 99,741.78

Step by Step Solution

1. Step 1: Write the proportion equation
   132,984.18 : 199,213.83 = 99,741.78 : x
2. Step 2: Convert to fraction form
   132,984.18/199,213.83 = 99,741.78/x
3. Step 3: Cross multiply
   132,984.18x = 199,213.83 × 99,741.78
4. Step 4: Simplify right side
   132,984.18x = 19,869,942,004.82
5. Step 5: Solve for x
   x = 19,869,942,004.82/132,984.18
6. Step 6: Final answer
   x = 149,415.83