Finding the Fourth Proportional to 12,590.86, 17,374.71 and 7,001.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,590.86 : 17,374.71 = 7,001.50 : x
2. Step 2: Convert to fraction form
   12,590.86/17,374.71 = 7,001.50/x
3. Step 3: Cross multiply
   12,590.86x = 17,374.71 × 7,001.50
4. Step 4: Simplify right side
   12,590.86x = 121,649,032.07
5. Step 5: Solve for x
   x = 121,649,032.07/12,590.86
6. Step 6: Final answer
   x = 9,661.69