Finding the Fourth Proportional to 1,970.58, 2,956.89 and 875.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970.58 : 2,956.89 = 875.73 : x
2. Step 2: Convert to fraction form
   1,970.58/2,956.89 = 875.73/x
3. Step 3: Cross multiply
   1,970.58x = 2,956.89 × 875.73
4. Step 4: Simplify right side
   1,970.58x = 2,589,437.28
5. Step 5: Solve for x
   x = 2,589,437.28/1,970.58
6. Step 6: Final answer
   x = 1,314.05