Finding the Fourth Proportional to 152,215.35, 213,568.05 and 152,215.35

Step by Step Solution

1. Step 1: Write the proportion equation
   152,215.35 : 213,568.05 = 152,215.35 : x
2. Step 2: Convert to fraction form
   152,215.35/213,568.05 = 152,215.35/x
3. Step 3: Cross multiply
   152,215.35x = 213,568.05 × 152,215.35
4. Step 4: Simplify right side
   152,215.35x = 32,508,335,479.57
5. Step 5: Solve for x
   x = 32,508,335,479.57/152,215.35
6. Step 6: Final answer
   x = 213,568.05