Finding the Fourth Proportional to 43,427.81, 65,152.69 and 12,263.06

Step by Step Solution

1. Step 1: Write the proportion equation
   43,427.81 : 65,152.69 = 12,263.06 : x
2. Step 2: Convert to fraction form
   43,427.81/65,152.69 = 12,263.06/x
3. Step 3: Cross multiply
   43,427.81x = 65,152.69 × 12,263.06
4. Step 4: Simplify right side
   43,427.81x = 798,971,478.86
5. Step 5: Solve for x
   x = 798,971,478.86/43,427.81
6. Step 6: Final answer
   x = 18,397.69