Finding the Fourth Proportional to 101,443.52, 152,165.30 and 79,223.60

Step by Step Solution

1. Step 1: Write the proportion equation
   101,443.52 : 152,165.30 = 79,223.60 : x
2. Step 2: Convert to fraction form
   101,443.52/152,165.30 = 79,223.60/x
3. Step 3: Cross multiply
   101,443.52x = 152,165.30 × 79,223.60
4. Step 4: Simplify right side
   101,443.52x = 12,055,082,861.08
5. Step 5: Solve for x
   x = 12,055,082,861.08/101,443.52
6. Step 6: Final answer
   x = 118,835.42