Finding the Fourth Proportional to 2,530.74, 3,788.20 and 1,607.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.74 : 3,788.20 = 1,607.34 : x
2. Step 2: Convert to fraction form
   2,530.74/3,788.20 = 1,607.34/x
3. Step 3: Cross multiply
   2,530.74x = 3,788.20 × 1,607.34
4. Step 4: Simplify right side
   2,530.74x = 6,088,925.39
5. Step 5: Solve for x
   x = 6,088,925.39/2,530.74
6. Step 6: Final answer
   x = 2,405.99