Finding the Fourth Proportional to 22,832.63, 31,507.77 and 12,759.07

Step by Step Solution

1. Step 1: Write the proportion equation
   22,832.63 : 31,507.77 = 12,759.07 : x
2. Step 2: Convert to fraction form
   22,832.63/31,507.77 = 12,759.07/x
3. Step 3: Cross multiply
   22,832.63x = 31,507.77 × 12,759.07
4. Step 4: Simplify right side
   22,832.63x = 402,009,621.64
5. Step 5: Solve for x
   x = 402,009,621.64/22,832.63
6. Step 6: Final answer
   x = 17,606.80