Finding the Fourth Proportional to 52,147,839.52, 71,967,381.60 and 28,942,967.68

Step by Step Solution

1. Step 1: Write the proportion equation
   52,147,839.52 : 71,967,381.60 = 28,942,967.68 : x
2. Step 2: Convert to fraction form
   52,147,839.52/71,967,381.60 = 28,942,967.68/x
3. Step 3: Cross multiply
   52,147,839.52x = 71,967,381.60 × 28,942,967.68
4. Step 4: Simplify right side
   52,147,839.52x = 2,082,949,599,663,026.50
5. Step 5: Solve for x
   x = 2,082,949,599,663,026.50/52,147,839.52
6. Step 6: Final answer
   x = 39,943,161.96