Finding the Fourth Proportional to 152,664, 210,676.32 and 85,596

Step by Step Solution

1. Step 1: Write the proportion equation
   152,664 : 210,676.32 = 85,596 : x
2. Step 2: Convert to fraction form
   152,664/210,676.32 = 85,596/x
3. Step 3: Cross multiply
   152,664x = 210,676.32 × 85,596
4. Step 4: Simplify right side
   152,664x = 18,033,050,286.72
5. Step 5: Solve for x
   x = 18,033,050,286.72/152,664
6. Step 6: Final answer
   x = 118,122.48