Finding the Fourth Proportional to 47,580.42, 71,369.82 and 14,300.76

Step by Step Solution

1. Step 1: Write the proportion equation
   47,580.42 : 71,369.82 = 14,300.76 : x
2. Step 2: Convert to fraction form
   47,580.42/71,369.82 = 14,300.76/x
3. Step 3: Cross multiply
   47,580.42x = 71,369.82 × 14,300.76
4. Step 4: Simplify right side
   47,580.42x = 1,020,642,667.06
5. Step 5: Solve for x
   x = 1,020,642,667.06/47,580.42
6. Step 6: Final answer
   x = 21,450.90