Finding the Fourth Proportional to 243,774.10, 365,005.05 and 243,774.10

Step by Step Solution

1. Step 1: Write the proportion equation
   243,774.10 : 365,005.05 = 243,774.10 : x
2. Step 2: Convert to fraction form
   243,774.10/365,005.05 = 243,774.10/x
3. Step 3: Cross multiply
   243,774.10x = 365,005.05 × 243,774.10
4. Step 4: Simplify right side
   243,774.10x = 88,978,777,559.21
5. Step 5: Solve for x
   x = 88,978,777,559.21/243,774.10
6. Step 6: Final answer
   x = 365,005.05