Finding the Fourth Proportional to 32,870.16, 45,382.70 and 19,445.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,870.16 : 45,382.70 = 19,445.72 : x
2. Step 2: Convert to fraction form
   32,870.16/45,382.70 = 19,445.72/x
3. Step 3: Cross multiply
   32,870.16x = 45,382.70 × 19,445.72
4. Step 4: Simplify right side
   32,870.16x = 882,498,952.90
5. Step 5: Solve for x
   x = 882,498,952.90/32,870.16
6. Step 6: Final answer
   x = 26,848.03