Finding the Fourth Proportional to 148,093.67, 204,156.69 and 105,578.39

Step by Step Solution

1. Step 1: Write the proportion equation
   148,093.67 : 204,156.69 = 105,578.39 : x
2. Step 2: Convert to fraction form
   148,093.67/204,156.69 = 105,578.39/x
3. Step 3: Cross multiply
   148,093.67x = 204,156.69 × 105,578.39
4. Step 4: Simplify right side
   148,093.67x = 21,554,533,617.15
5. Step 5: Solve for x
   x = 21,554,533,617.15/148,093.67
6. Step 6: Final answer
   x = 145,546.63