Finding the Fourth Proportional to 2,898.79, 4,348.17 and 707.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,898.79 : 4,348.17 = 707.53 : x
2. Step 2: Convert to fraction form
   2,898.79/4,348.17 = 707.53/x
3. Step 3: Cross multiply
   2,898.79x = 4,348.17 × 707.53
4. Step 4: Simplify right side
   2,898.79x = 3,076,460.72
5. Step 5: Solve for x
   x = 3,076,460.72/2,898.79
6. Step 6: Final answer
   x = 1,061.29