Finding the Fourth Proportional to 5,155,168.18, 7,735,945.50 and 2,997,208.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,155,168.18 : 7,735,945.50 = 2,997,208.78 : x
2. Step 2: Convert to fraction form
   5,155,168.18/7,735,945.50 = 2,997,208.78/x
3. Step 3: Cross multiply
   5,155,168.18x = 7,735,945.50 × 2,997,208.78
4. Step 4: Simplify right side
   5,155,168.18x = 23,186,243,774,201.49
5. Step 5: Solve for x
   x = 23,186,243,774,201.49/5,155,168.18
6. Step 6: Final answer
   x = 4,497,669.71