Finding the Fourth Proportional to 1,333.83, 1,848.47 and 1,307.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.83 : 1,848.47 = 1,307.91 : x
2. Step 2: Convert to fraction form
   1,333.83/1,848.47 = 1,307.91/x
3. Step 3: Cross multiply
   1,333.83x = 1,848.47 × 1,307.91
4. Step 4: Simplify right side
   1,333.83x = 2,417,635.67
5. Step 5: Solve for x
   x = 2,417,635.67/1,333.83
6. Step 6: Final answer
   x = 1,812.55