Finding the Fourth Proportional to 50,405.61, 69,547.87 and 42,369.81

Step by Step Solution

1. Step 1: Write the proportion equation
   50,405.61 : 69,547.87 = 42,369.81 : x
2. Step 2: Convert to fraction form
   50,405.61/69,547.87 = 42,369.81/x
3. Step 3: Cross multiply
   50,405.61x = 69,547.87 × 42,369.81
4. Step 4: Simplify right side
   50,405.61x = 2,946,730,037.80
5. Step 5: Solve for x
   x = 2,946,730,037.80/50,405.61
6. Step 6: Final answer
   x = 58,460.36