Finding the Fourth Proportional to 1,885.76, 2,829.72 and 1,053.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885.76 : 2,829.72 = 1,053.52 : x
2. Step 2: Convert to fraction form
   1,885.76/2,829.72 = 1,053.52/x
3. Step 3: Cross multiply
   1,885.76x = 2,829.72 × 1,053.52
4. Step 4: Simplify right side
   1,885.76x = 2,981,166.61
5. Step 5: Solve for x
   x = 2,981,166.61/1,885.76
6. Step 6: Final answer
   x = 1,580.88