Finding the Fourth Proportional to 28,784.07, 43,120.71 and 17,658.27

Step by Step Solution

1. Step 1: Write the proportion equation
   28,784.07 : 43,120.71 = 17,658.27 : x
2. Step 2: Convert to fraction form
   28,784.07/43,120.71 = 17,658.27/x
3. Step 3: Cross multiply
   28,784.07x = 43,120.71 × 17,658.27
4. Step 4: Simplify right side
   28,784.07x = 761,437,139.77
5. Step 5: Solve for x
   x = 761,437,139.77/28,784.07
6. Step 6: Final answer
   x = 26,453.42