Finding the Fourth Proportional to 2,151.93, 2,970.12 and 1,365.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.93 : 2,970.12 = 1,365.82 : x
2. Step 2: Convert to fraction form
   2,151.93/2,970.12 = 1,365.82/x
3. Step 3: Cross multiply
   2,151.93x = 2,970.12 × 1,365.82
4. Step 4: Simplify right side
   2,151.93x = 4,056,649.30
5. Step 5: Solve for x
   x = 4,056,649.30/2,151.93
6. Step 6: Final answer
   x = 1,885.12