Finding the Fourth Proportional to 122,406.32, 168,765.72 and 79,897.52

Step by Step Solution

1. Step 1: Write the proportion equation
   122,406.32 : 168,765.72 = 79,897.52 : x
2. Step 2: Convert to fraction form
   122,406.32/168,765.72 = 79,897.52/x
3. Step 3: Cross multiply
   122,406.32x = 168,765.72 × 79,897.52
4. Step 4: Simplify right side
   122,406.32x = 13,483,962,489.01
5. Step 5: Solve for x
   x = 13,483,962,489.01/122,406.32
6. Step 6: Final answer
   x = 110,157.40