Finding the Fourth Proportional to 2,460.61, 3,688.18 and 899.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.61 : 3,688.18 = 899.34 : x
2. Step 2: Convert to fraction form
   2,460.61/3,688.18 = 899.34/x
3. Step 3: Cross multiply
   2,460.61x = 3,688.18 × 899.34
4. Step 4: Simplify right side
   2,460.61x = 3,316,927.80
5. Step 5: Solve for x
   x = 3,316,927.80/2,460.61
6. Step 6: Final answer
   x = 1,348.01