Finding the Fourth Proportional to 10,450.59, 14,421.71 and 5,670.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,450.59 : 14,421.71 = 5,670.54 : x
2. Step 2: Convert to fraction form
   10,450.59/14,421.71 = 5,670.54/x
3. Step 3: Cross multiply
   10,450.59x = 14,421.71 × 5,670.54
4. Step 4: Simplify right side
   10,450.59x = 81,778,897.60
5. Step 5: Solve for x
   x = 81,778,897.60/10,450.59
6. Step 6: Final answer
   x = 7,825.29