Finding the Fourth Proportional to 34,943.30, 52,422.76 and 12,756.69

Step by Step Solution

1. Step 1: Write the proportion equation
   34,943.30 : 52,422.76 = 12,756.69 : x
2. Step 2: Convert to fraction form
   34,943.30/52,422.76 = 12,756.69/x
3. Step 3: Cross multiply
   34,943.30x = 52,422.76 × 12,756.69
4. Step 4: Simplify right side
   34,943.30x = 668,740,914.21
5. Step 5: Solve for x
   x = 668,740,914.21/34,943.30
6. Step 6: Final answer
   x = 19,137.89