Finding the Fourth Proportional to 32,870.28, 45,356.58 and 19,442.28

Step by Step Solution

1. Step 1: Write the proportion equation
   32,870.28 : 45,356.58 = 19,442.28 : x
2. Step 2: Convert to fraction form
   32,870.28/45,356.58 = 19,442.28/x
3. Step 3: Cross multiply
   32,870.28x = 45,356.58 × 19,442.28
4. Step 4: Simplify right side
   32,870.28x = 881,835,328.20
5. Step 5: Solve for x
   x = 881,835,328.20/32,870.28
6. Step 6: Final answer
   x = 26,827.74