Finding the Fourth Proportional to 52,428.10, 73,606.70 and 52,428.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,428.10 : 73,606.70 = 52,428.10 : x
2. Step 2: Convert to fraction form
   52,428.10/73,606.70 = 52,428.10/x
3. Step 3: Cross multiply
   52,428.10x = 73,606.70 × 52,428.10
4. Step 4: Simplify right side
   52,428.10x = 3,859,059,428.27
5. Step 5: Solve for x
   x = 3,859,059,428.27/52,428.10
6. Step 6: Final answer
   x = 73,606.70