Finding the Fourth Proportional to 13,443.02, 20,168.61 and 4,677.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,443.02 : 20,168.61 = 4,677.94 : x
2. Step 2: Convert to fraction form
   13,443.02/20,168.61 = 4,677.94/x
3. Step 3: Cross multiply
   13,443.02x = 20,168.61 × 4,677.94
4. Step 4: Simplify right side
   13,443.02x = 94,347,547.46
5. Step 5: Solve for x
   x = 94,347,547.46/13,443.02
6. Step 6: Final answer
   x = 7,018.33