Finding the Fourth Proportional to 7,611.06, 10,499.31 and 5,090.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,611.06 : 10,499.31 = 5,090.34 : x
2. Step 2: Convert to fraction form
   7,611.06/10,499.31 = 5,090.34/x
3. Step 3: Cross multiply
   7,611.06x = 10,499.31 × 5,090.34
4. Step 4: Simplify right side
   7,611.06x = 53,445,057.67
5. Step 5: Solve for x
   x = 53,445,057.67/7,611.06
6. Step 6: Final answer
   x = 7,022.03