Finding the Fourth Proportional to 168,068.72, 252,142.24 and 55,740.72

Step by Step Solution

1. Step 1: Write the proportion equation
   168,068.72 : 252,142.24 = 55,740.72 : x
2. Step 2: Convert to fraction form
   168,068.72/252,142.24 = 55,740.72/x
3. Step 3: Cross multiply
   168,068.72x = 252,142.24 × 55,740.72
4. Step 4: Simplify right side
   168,068.72x = 14,054,590,000.01
5. Step 5: Solve for x
   x = 14,054,590,000.01/168,068.72
6. Step 6: Final answer
   x = 83,624.07