Finding the Fourth Proportional to 1,436.34, 2,156.34 and 1,377.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.34 : 2,156.34 = 1,377.84 : x
2. Step 2: Convert to fraction form
   1,436.34/2,156.34 = 1,377.84/x
3. Step 3: Cross multiply
   1,436.34x = 2,156.34 × 1,377.84
4. Step 4: Simplify right side
   1,436.34x = 2,971,091.51
5. Step 5: Solve for x
   x = 2,971,091.51/1,436.34
6. Step 6: Final answer
   x = 2,068.52