Finding the Fourth Proportional to 1,870.17, 2,581.14 and 1,189.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.17 : 2,581.14 = 1,189.01 : x
2. Step 2: Convert to fraction form
   1,870.17/2,581.14 = 1,189.01/x
3. Step 3: Cross multiply
   1,870.17x = 2,581.14 × 1,189.01
4. Step 4: Simplify right side
   1,870.17x = 3,068,988.37
5. Step 5: Solve for x
   x = 3,068,988.37/1,870.17
6. Step 6: Final answer
   x = 1,641.02