Finding the Fourth Proportional to 7,663.82, 10,573.35 and 5,012.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,663.82 : 10,573.35 = 5,012.78 : x
2. Step 2: Convert to fraction form
   7,663.82/10,573.35 = 5,012.78/x
3. Step 3: Cross multiply
   7,663.82x = 10,573.35 × 5,012.78
4. Step 4: Simplify right side
   7,663.82x = 53,001,877.41
5. Step 5: Solve for x
   x = 53,001,877.41/7,663.82
6. Step 6: Final answer
   x = 6,915.86