Finding the Fourth Proportional to 13,017.34, 19,525.82 and 3,156.70

Step by Step Solution

1. Step 1: Write the proportion equation
   13,017.34 : 19,525.82 = 3,156.70 : x
2. Step 2: Convert to fraction form
   13,017.34/19,525.82 = 3,156.70/x
3. Step 3: Cross multiply
   13,017.34x = 19,525.82 × 3,156.70
4. Step 4: Simplify right side
   13,017.34x = 61,637,155.99
5. Step 5: Solve for x
   x = 61,637,155.99/13,017.34
6. Step 6: Final answer
   x = 4,735.00