Finding the Fourth Proportional to 152,219.10, 213,573.30 and 152,219.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,219.10 : 213,573.30 = 152,219.10 : x
2. Step 2: Convert to fraction form
   152,219.10/213,573.30 = 152,219.10/x
3. Step 3: Cross multiply
   152,219.10x = 213,573.30 × 152,219.10
4. Step 4: Simplify right side
   152,219.10x = 32,509,935,510.03
5. Step 5: Solve for x
   x = 32,509,935,510.03/152,219.10
6. Step 6: Final answer
   x = 213,573.30