Finding the Fourth Proportional to 13,059.83, 19,590.76 and 3,699.70

Step by Step Solution

1. Step 1: Write the proportion equation
   13,059.83 : 19,590.76 = 3,699.70 : x
2. Step 2: Convert to fraction form
   13,059.83/19,590.76 = 3,699.70/x
3. Step 3: Cross multiply
   13,059.83x = 19,590.76 × 3,699.70
4. Step 4: Simplify right side
   13,059.83x = 72,479,934.77
5. Step 5: Solve for x
   x = 72,479,934.77/13,059.83
6. Step 6: Final answer
   x = 5,549.84