Finding the Fourth Proportional to 1,048.82, 1,570.47 and 738.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.82 : 1,570.47 = 738.99 : x
2. Step 2: Convert to fraction form
   1,048.82/1,570.47 = 738.99/x
3. Step 3: Cross multiply
   1,048.82x = 1,570.47 × 738.99
4. Step 4: Simplify right side
   1,048.82x = 1,160,561.63
5. Step 5: Solve for x
   x = 1,160,561.63/1,048.82
6. Step 6: Final answer
   x = 1,106.55