Finding the Fourth Proportional to 8,955.83, 13,434.59 and 3,407.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,955.83 : 13,434.59 = 3,407.67 : x
2. Step 2: Convert to fraction form
   8,955.83/13,434.59 = 3,407.67/x
3. Step 3: Cross multiply
   8,955.83x = 13,434.59 × 3,407.67
4. Step 4: Simplify right side
   8,955.83x = 45,780,657.82
5. Step 5: Solve for x
   x = 45,780,657.82/8,955.83
6. Step 6: Final answer
   x = 5,111.83