Finding the Fourth Proportional to 42,000.84, 57,960.72 and 23,137.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,000.84 : 57,960.72 = 23,137.56 : x
2. Step 2: Convert to fraction form
   42,000.84/57,960.72 = 23,137.56/x
3. Step 3: Cross multiply
   42,000.84x = 57,960.72 × 23,137.56
4. Step 4: Simplify right side
   42,000.84x = 1,341,069,636.64
5. Step 5: Solve for x
   x = 1,341,069,636.64/42,000.84
6. Step 6: Final answer
   x = 31,929.59