Finding the Fourth Proportional to 103,477.56, 155,149.56 and 49,413

Step by Step Solution

1. Step 1: Write the proportion equation
   103,477.56 : 155,149.56 = 49,413 : x
2. Step 2: Convert to fraction form
   103,477.56/155,149.56 = 49,413/x
3. Step 3: Cross multiply
   103,477.56x = 155,149.56 × 49,413
4. Step 4: Simplify right side
   103,477.56x = 7,666,405,208.28
5. Step 5: Solve for x
   x = 7,666,405,208.28/103,477.56
6. Step 6: Final answer
   x = 74,087.61