Finding the Fourth Proportional to 99,384.54, 149,020.16 and 67,832.80

Step by Step Solution

1. Step 1: Write the proportion equation
   99,384.54 : 149,020.16 = 67,832.80 : x
2. Step 2: Convert to fraction form
   99,384.54/149,020.16 = 67,832.80/x
3. Step 3: Cross multiply
   99,384.54x = 149,020.16 × 67,832.80
4. Step 4: Simplify right side
   99,384.54x = 10,108,453,624.98
5. Step 5: Solve for x
   x = 10,108,453,624.98/99,384.54
6. Step 6: Final answer
   x = 101,710.52