Finding the Fourth Proportional to 3,570.51, 5,355.64 and 938.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,570.51 : 5,355.64 = 938.00 : x
2. Step 2: Convert to fraction form
   3,570.51/5,355.64 = 938.00/x
3. Step 3: Cross multiply
   3,570.51x = 5,355.64 × 938.00
4. Step 4: Simplify right side
   3,570.51x = 5,023,561.20
5. Step 5: Solve for x
   x = 5,023,561.20/3,570.51
6. Step 6: Final answer
   x = 1,406.96