Finding the Fourth Proportional to 1,888.31, 2,606.01 and 1,142.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,888.31 : 2,606.01 = 1,142.30 : x
2. Step 2: Convert to fraction form
   1,888.31/2,606.01 = 1,142.30/x
3. Step 3: Cross multiply
   1,888.31x = 2,606.01 × 1,142.30
4. Step 4: Simplify right side
   1,888.31x = 2,976,845.22
5. Step 5: Solve for x
   x = 2,976,845.22/1,888.31
6. Step 6: Final answer
   x = 1,576.46