Finding the Fourth Proportional to 34,875.56, 52,312.37 and 12,689.34

Step by Step Solution

1. Step 1: Write the proportion equation
   34,875.56 : 52,312.37 = 12,689.34 : x
2. Step 2: Convert to fraction form
   34,875.56/52,312.37 = 12,689.34/x
3. Step 3: Cross multiply
   34,875.56x = 52,312.37 × 12,689.34
4. Step 4: Simplify right side
   34,875.56x = 663,809,385.69
5. Step 5: Solve for x
   x = 663,809,385.69/34,875.56
6. Step 6: Final answer
   x = 19,033.66