Finding the Fourth Proportional to 78,507.09, 117,757.86 and 22,347.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,507.09 : 117,757.86 = 22,347.50 : x
2. Step 2: Convert to fraction form
   78,507.09/117,757.86 = 22,347.50/x
3. Step 3: Cross multiply
   78,507.09x = 117,757.86 × 22,347.50
4. Step 4: Simplify right side
   78,507.09x = 2,631,593,187.56
5. Step 5: Solve for x
   x = 2,631,593,187.56/78,507.09
6. Step 6: Final answer
   x = 33,520.45