Finding the Fourth Proportional to 10,953.60, 16,430.17 and 3,055.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,953.60 : 16,430.17 = 3,055.91 : x
2. Step 2: Convert to fraction form
   10,953.60/16,430.17 = 3,055.91/x
3. Step 3: Cross multiply
   10,953.60x = 16,430.17 × 3,055.91
4. Step 4: Simplify right side
   10,953.60x = 50,209,120.80
5. Step 5: Solve for x
   x = 50,209,120.80/10,953.60
6. Step 6: Final answer
   x = 4,583.80