Finding the Fourth Proportional to 2,045.84, 3,069.86 and 891.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.84 : 3,069.86 = 891.52 : x
2. Step 2: Convert to fraction form
   2,045.84/3,069.86 = 891.52/x
3. Step 3: Cross multiply
   2,045.84x = 3,069.86 × 891.52
4. Step 4: Simplify right side
   2,045.84x = 2,736,841.59
5. Step 5: Solve for x
   x = 2,736,841.59/2,045.84
6. Step 6: Final answer
   x = 1,337.76