Finding the Fourth Proportional to 42,291.60, 63,441.72 and 14,586

Step by Step Solution

1. Step 1: Write the proportion equation
   42,291.60 : 63,441.72 = 14,586 : x
2. Step 2: Convert to fraction form
   42,291.60/63,441.72 = 14,586/x
3. Step 3: Cross multiply
   42,291.60x = 63,441.72 × 14,586
4. Step 4: Simplify right side
   42,291.60x = 925,360,927.92
5. Step 5: Solve for x
   x = 925,360,927.92/42,291.60
6. Step 6: Final answer
   x = 21,880.49