Finding the Fourth Proportional to 7,810.07, 10,777.86 and 4,225.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,810.07 : 10,777.86 = 4,225.03 : x
2. Step 2: Convert to fraction form
   7,810.07/10,777.86 = 4,225.03/x
3. Step 3: Cross multiply
   7,810.07x = 10,777.86 × 4,225.03
4. Step 4: Simplify right side
   7,810.07x = 45,536,754.89
5. Step 5: Solve for x
   x = 45,536,754.89/7,810.07
6. Step 6: Final answer
   x = 5,830.52