Finding the Fourth Proportional to 45,380.79, 62,604.50 and 28,374.03

Step by Step Solution

1. Step 1: Write the proportion equation
   45,380.79 : 62,604.50 = 28,374.03 : x
2. Step 2: Convert to fraction form
   45,380.79/62,604.50 = 28,374.03/x
3. Step 3: Cross multiply
   45,380.79x = 62,604.50 × 28,374.03
4. Step 4: Simplify right side
   45,380.79x = 1,776,341,819.26
5. Step 5: Solve for x
   x = 1,776,341,819.26/45,380.79
6. Step 6: Final answer
   x = 39,143.03