Finding the Fourth Proportional to 107,738.57, 161,553.78 and 62,774.45

Step by Step Solution

1. Step 1: Write the proportion equation
   107,738.57 : 161,553.78 = 62,774.45 : x
2. Step 2: Convert to fraction form
   107,738.57/161,553.78 = 62,774.45/x
3. Step 3: Cross multiply
   107,738.57x = 161,553.78 × 62,774.45
4. Step 4: Simplify right side
   107,738.57x = 10,141,450,391.72
5. Step 5: Solve for x
   x = 10,141,450,391.72/107,738.57
6. Step 6: Final answer
   x = 94,130.18