Finding the Fourth Proportional to 1,345.69, 2,018.63 and 468.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.69 : 2,018.63 = 468.15 : x
2. Step 2: Convert to fraction form
   1,345.69/2,018.63 = 468.15/x
3. Step 3: Cross multiply
   1,345.69x = 2,018.63 × 468.15
4. Step 4: Simplify right side
   1,345.69x = 945,021.63
5. Step 5: Solve for x
   x = 945,021.63/1,345.69
6. Step 6: Final answer
   x = 702.26