Finding the Fourth Proportional to 1,985.34, 2,958.20 and 1,897.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985.34 : 2,958.20 = 1,897.02 : x
2. Step 2: Convert to fraction form
   1,985.34/2,958.20 = 1,897.02/x
3. Step 3: Cross multiply
   1,985.34x = 2,958.20 × 1,897.02
4. Step 4: Simplify right side
   1,985.34x = 5,611,764.56
5. Step 5: Solve for x
   x = 5,611,764.56/1,985.34
6. Step 6: Final answer
   x = 2,826.60