Finding the Fourth Proportional to 50,513.63, 69,672.76 and 42,907.19

Step by Step Solution

1. Step 1: Write the proportion equation
   50,513.63 : 69,672.76 = 42,907.19 : x
2. Step 2: Convert to fraction form
   50,513.63/69,672.76 = 42,907.19/x
3. Step 3: Cross multiply
   50,513.63x = 69,672.76 × 42,907.19
4. Step 4: Simplify right side
   50,513.63x = 2,989,461,895.51
5. Step 5: Solve for x
   x = 2,989,461,895.51/50,513.63
6. Step 6: Final answer
   x = 59,181.30