Finding the Fourth Proportional to 22,432.89, 30,955.59 and 13,002.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,432.89 : 30,955.59 = 13,002.06 : x
2. Step 2: Convert to fraction form
   22,432.89/30,955.59 = 13,002.06/x
3. Step 3: Cross multiply
   22,432.89x = 30,955.59 × 13,002.06
4. Step 4: Simplify right side
   22,432.89x = 402,486,438.52
5. Step 5: Solve for x
   x = 402,486,438.52/22,432.89
6. Step 6: Final answer
   x = 17,941.80