Finding the Fourth Proportional to 1,290.58, 1,935.71 and 468.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290.58 : 1,935.71 = 468.82 : x
2. Step 2: Convert to fraction form
   1,290.58/1,935.71 = 468.82/x
3. Step 3: Cross multiply
   1,290.58x = 1,935.71 × 468.82
4. Step 4: Simplify right side
   1,290.58x = 907,499.56
5. Step 5: Solve for x
   x = 907,499.56/1,290.58
6. Step 6: Final answer
   x = 703.17