Finding the Fourth Proportional to 30,277.89, 45,400.37 and 10,551.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,277.89 : 45,400.37 = 10,551.15 : x
2. Step 2: Convert to fraction form
   30,277.89/45,400.37 = 10,551.15/x
3. Step 3: Cross multiply
   30,277.89x = 45,400.37 × 10,551.15
4. Step 4: Simplify right side
   30,277.89x = 479,026,061.17
5. Step 5: Solve for x
   x = 479,026,061.17/30,277.89
6. Step 6: Final answer
   x = 15,820.99