Finding the Fourth Proportional to 2,055.58, 2,835.65 and 1,557.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.58 : 2,835.65 = 1,557.34 : x
2. Step 2: Convert to fraction form
   2,055.58/2,835.65 = 1,557.34/x
3. Step 3: Cross multiply
   2,055.58x = 2,835.65 × 1,557.34
4. Step 4: Simplify right side
   2,055.58x = 4,416,071.17
5. Step 5: Solve for x
   x = 4,416,071.17/2,055.58
6. Step 6: Final answer
   x = 2,148.33