Finding the Fourth Proportional to 2,607.32, 3,598.10 and 1,428.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.32 : 3,598.10 = 1,428.46 : x
2. Step 2: Convert to fraction form
   2,607.32/3,598.10 = 1,428.46/x
3. Step 3: Cross multiply
   2,607.32x = 3,598.10 × 1,428.46
4. Step 4: Simplify right side
   2,607.32x = 5,139,741.93
5. Step 5: Solve for x
   x = 5,139,741.93/2,607.32
6. Step 6: Final answer
   x = 1,971.27