Finding the Fourth Proportional to 1,870.53, 2,580.46 and 1,198.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.53 : 2,580.46 = 1,198.01 : x
2. Step 2: Convert to fraction form
   1,870.53/2,580.46 = 1,198.01/x
3. Step 3: Cross multiply
   1,870.53x = 2,580.46 × 1,198.01
4. Step 4: Simplify right side
   1,870.53x = 3,091,420.34
5. Step 5: Solve for x
   x = 3,091,420.34/1,870.53
6. Step 6: Final answer
   x = 1,652.70