Finding the Fourth Proportional to 105,674.54, 158,510.48 and 25,712.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,674.54 : 158,510.48 = 25,712.96 : x
2. Step 2: Convert to fraction form
   105,674.54/158,510.48 = 25,712.96/x
3. Step 3: Cross multiply
   105,674.54x = 158,510.48 × 25,712.96
4. Step 4: Simplify right side
   105,674.54x = 4,075,773,631.82
5. Step 5: Solve for x
   x = 4,075,773,631.82/105,674.54
6. Step 6: Final answer
   x = 38,569.12