Finding the Fourth Proportional to 152,004.70, 213,156.50 and 152,004.70

Step by Step Solution

1. Step 1: Write the proportion equation
   152,004.70 : 213,156.50 = 152,004.70 : x
2. Step 2: Convert to fraction form
   152,004.70/213,156.50 = 152,004.70/x
3. Step 3: Cross multiply
   152,004.70x = 213,156.50 × 152,004.70
4. Step 4: Simplify right side
   152,004.70x = 32,400,789,835.55
5. Step 5: Solve for x
   x = 32,400,789,835.55/152,004.70
6. Step 6: Final answer
   x = 213,156.50