Finding the Fourth Proportional to 10,089.60, 15,130.80 and 3,847.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,089.60 : 15,130.80 = 3,847.98 : x
2. Step 2: Convert to fraction form
   10,089.60/15,130.80 = 3,847.98/x
3. Step 3: Cross multiply
   10,089.60x = 15,130.80 × 3,847.98
4. Step 4: Simplify right side
   10,089.60x = 58,223,015.78
5. Step 5: Solve for x
   x = 58,223,015.78/10,089.60
6. Step 6: Final answer
   x = 5,770.60