Finding the Fourth Proportional to 59,072.70, 88,621.20 and 19,658.10

Step by Step Solution

1. Step 1: Write the proportion equation
   59,072.70 : 88,621.20 = 19,658.10 : x
2. Step 2: Convert to fraction form
   59,072.70/88,621.20 = 19,658.10/x
3. Step 3: Cross multiply
   59,072.70x = 88,621.20 × 19,658.10
4. Step 4: Simplify right side
   59,072.70x = 1,742,124,411.72
5. Step 5: Solve for x
   x = 1,742,124,411.72/59,072.70
6. Step 6: Final answer
   x = 29,491.19