Finding the Fourth Proportional to 99,384.79, 149,020.53 and 67,833.05

Step by Step Solution

1. Step 1: Write the proportion equation
   99,384.79 : 149,020.53 = 67,833.05 : x
2. Step 2: Convert to fraction form
   99,384.79/149,020.53 = 67,833.05/x
3. Step 3: Cross multiply
   99,384.79x = 149,020.53 × 67,833.05
4. Step 4: Simplify right side
   99,384.79x = 10,108,517,062.52
5. Step 5: Solve for x
   x = 10,108,517,062.52/99,384.79
6. Step 6: Final answer
   x = 101,710.91