Finding the Fourth Proportional to 152,953.94, 229,429.20 and 107,789.78

Step by Step Solution

1. Step 1: Write the proportion equation
   152,953.94 : 229,429.20 = 107,789.78 : x
2. Step 2: Convert to fraction form
   152,953.94/229,429.20 = 107,789.78/x
3. Step 3: Cross multiply
   152,953.94x = 229,429.20 × 107,789.78
4. Step 4: Simplify right side
   152,953.94x = 24,730,122,993.58
5. Step 5: Solve for x
   x = 24,730,122,993.58/152,953.94
6. Step 6: Final answer
   x = 161,683.46