Finding the Fourth Proportional to 1,300.01, 1,949.71 and 478.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.01 : 1,949.71 = 478.37 : x
2. Step 2: Convert to fraction form
   1,300.01/1,949.71 = 478.37/x
3. Step 3: Cross multiply
   1,300.01x = 1,949.71 × 478.37
4. Step 4: Simplify right side
   1,300.01x = 932,682.77
5. Step 5: Solve for x
   x = 932,682.77/1,300.01
6. Step 6: Final answer
   x = 717.44