Finding the Fourth Proportional to 1,602.96, 2,404.72 and 910.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,602.96 : 2,404.72 = 910.98 : x
2. Step 2: Convert to fraction form
   1,602.96/2,404.72 = 910.98/x
3. Step 3: Cross multiply
   1,602.96x = 2,404.72 × 910.98
4. Step 4: Simplify right side
   1,602.96x = 2,190,651.83
5. Step 5: Solve for x
   x = 2,190,651.83/1,602.96
6. Step 6: Final answer
   x = 1,366.63