Finding the Fourth Proportional to 2,997.67, 4,495.15 and 917.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,997.67 : 4,495.15 = 917.93 : x
2. Step 2: Convert to fraction form
   2,997.67/4,495.15 = 917.93/x
3. Step 3: Cross multiply
   2,997.67x = 4,495.15 × 917.93
4. Step 4: Simplify right side
   2,997.67x = 4,126,233.04
5. Step 5: Solve for x
   x = 4,126,233.04/2,997.67
6. Step 6: Final answer
   x = 1,376.48