Finding the Fourth Proportional to 32,870.10, 49,328.90 and 13,154.16

Step by Step Solution

1. Step 1: Write the proportion equation
   32,870.10 : 49,328.90 = 13,154.16 : x
2. Step 2: Convert to fraction form
   32,870.10/49,328.90 = 13,154.16/x
3. Step 3: Cross multiply
   32,870.10x = 49,328.90 × 13,154.16
4. Step 4: Simplify right side
   32,870.10x = 648,880,243.22
5. Step 5: Solve for x
   x = 648,880,243.22/32,870.10
6. Step 6: Final answer
   x = 19,740.74