Finding the Fourth Proportional to 78,144.48, 107,837.14 and 45,878.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,144.48 : 107,837.14 = 45,878.56 : x
2. Step 2: Convert to fraction form
   78,144.48/107,837.14 = 45,878.56/x
3. Step 3: Cross multiply
   78,144.48x = 107,837.14 × 45,878.56
4. Step 4: Simplify right side
   78,144.48x = 4,947,412,697.72
5. Step 5: Solve for x
   x = 4,947,412,697.72/78,144.48
6. Step 6: Final answer
   x = 63,311.10