Finding the Fourth Proportional to 2,316.76, 3,196.86 and 1,432.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.76 : 3,196.86 = 1,432.96 : x
2. Step 2: Convert to fraction form
   2,316.76/3,196.86 = 1,432.96/x
3. Step 3: Cross multiply
   2,316.76x = 3,196.86 × 1,432.96
4. Step 4: Simplify right side
   2,316.76x = 4,580,972.51
5. Step 5: Solve for x
   x = 4,580,972.51/2,316.76
6. Step 6: Final answer
   x = 1,977.32