Finding the Fourth Proportional to 73,424, 101,325.12 and 39,890.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,424 : 101,325.12 = 39,890.72 : x
2. Step 2: Convert to fraction form
   73,424/101,325.12 = 39,890.72/x
3. Step 3: Cross multiply
   73,424x = 101,325.12 × 39,890.72
4. Step 4: Simplify right side
   73,424x = 4,041,931,990.89
5. Step 5: Solve for x
   x = 4,041,931,990.89/73,424
6. Step 6: Final answer
   x = 55,049.19