Finding the Fourth Proportional to 38,730.69, 58,089.42 and 17,665.83

Step by Step Solution

1. Step 1: Write the proportion equation
   38,730.69 : 58,089.42 = 17,665.83 : x
2. Step 2: Convert to fraction form
   38,730.69/58,089.42 = 17,665.83/x
3. Step 3: Cross multiply
   38,730.69x = 58,089.42 × 17,665.83
4. Step 4: Simplify right side
   38,730.69x = 1,026,197,818.52
5. Step 5: Solve for x
   x = 1,026,197,818.52/38,730.69
6. Step 6: Final answer
   x = 26,495.73