Finding the Fourth Proportional to 152,200.10, 213,546.70 and 152,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,200.10 : 213,546.70 = 152,200.10 : x
2. Step 2: Convert to fraction form
   152,200.10/213,546.70 = 152,200.10/x
3. Step 3: Cross multiply
   152,200.10x = 213,546.70 × 152,200.10
4. Step 4: Simplify right side
   152,200.10x = 32,501,829,094.67
5. Step 5: Solve for x
   x = 32,501,829,094.67/152,200.10
6. Step 6: Final answer
   x = 213,546.70