Finding the Fourth Proportional to 74,926.96, 103,302.72 and 53,441.20

Step by Step Solution

1. Step 1: Write the proportion equation
   74,926.96 : 103,302.72 = 53,441.20 : x
2. Step 2: Convert to fraction form
   74,926.96/103,302.72 = 53,441.20/x
3. Step 3: Cross multiply
   74,926.96x = 103,302.72 × 53,441.20
4. Step 4: Simplify right side
   74,926.96x = 5,520,621,320.06
5. Step 5: Solve for x
   x = 5,520,621,320.06/74,926.96
6. Step 6: Final answer
   x = 73,680.04