Finding the Fourth Proportional to 22,997.86, 31,736.88 and 13,437.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,997.86 : 31,736.88 = 13,437.50 : x
2. Step 2: Convert to fraction form
   22,997.86/31,736.88 = 13,437.50/x
3. Step 3: Cross multiply
   22,997.86x = 31,736.88 × 13,437.50
4. Step 4: Simplify right side
   22,997.86x = 426,464,166.32
5. Step 5: Solve for x
   x = 426,464,166.32/22,997.86
6. Step 6: Final answer
   x = 18,543.65