Finding the Fourth Proportional to 313,013.73, 469,557.83 and 99,706.72

Step by Step Solution

1. Step 1: Write the proportion equation
   313,013.73 : 469,557.83 = 99,706.72 : x
2. Step 2: Convert to fraction form
   313,013.73/469,557.83 = 99,706.72/x
3. Step 3: Cross multiply
   313,013.73x = 469,557.83 × 99,706.72
4. Step 4: Simplify right side
   313,013.73x = 46,818,071,079.62
5. Step 5: Solve for x
   x = 46,818,071,079.62/313,013.73
6. Step 6: Final answer
   x = 149,571.94