Finding the Fourth Proportional to 102,149.91, 152,968.50 and 64,596.69

Step by Step Solution

1. Step 1: Write the proportion equation
   102,149.91 : 152,968.50 = 64,596.69 : x
2. Step 2: Convert to fraction form
   102,149.91/152,968.50 = 64,596.69/x
3. Step 3: Cross multiply
   102,149.91x = 152,968.50 × 64,596.69
4. Step 4: Simplify right side
   102,149.91x = 9,881,258,774.27
5. Step 5: Solve for x
   x = 9,881,258,774.27/102,149.91
6. Step 6: Final answer
   x = 96,732.92