Finding the Fourth Proportional to 5,521,741.73, 7,603,103.73 and 5,505,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,521,741.73 : 7,603,103.73 = 5,505,798.50 : x
2. Step 2: Convert to fraction form
   5,521,741.73/7,603,103.73 = 5,505,798.50/x
3. Step 3: Cross multiply
   5,521,741.73x = 7,603,103.73 × 5,505,798.50
4. Step 4: Simplify right side
   5,521,741.73x = 41,861,157,111,978.41
5. Step 5: Solve for x
   x = 41,861,157,111,978.41/5,521,741.73
6. Step 6: Final answer
   x = 7,581,150.87