Finding the Fourth Proportional to 152,104, 209,904.24 and 85,048.96

Step by Step Solution

1. Step 1: Write the proportion equation
   152,104 : 209,904.24 = 85,048.96 : x
2. Step 2: Convert to fraction form
   152,104/209,904.24 = 85,048.96/x
3. Step 3: Cross multiply
   152,104x = 209,904.24 × 85,048.96
4. Step 4: Simplify right side
   152,104x = 17,852,137,311.59
5. Step 5: Solve for x
   x = 17,852,137,311.59/152,104
6. Step 6: Final answer
   x = 117,367.97