Finding the Fourth Proportional to 42,441.32, 63,669.18 and 19,084.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,441.32 : 63,669.18 = 19,084.16 : x
2. Step 2: Convert to fraction form
   42,441.32/63,669.18 = 19,084.16/x
3. Step 3: Cross multiply
   42,441.32x = 63,669.18 × 19,084.16
4. Step 4: Simplify right side
   42,441.32x = 1,215,072,818.19
5. Step 5: Solve for x
   x = 1,215,072,818.19/42,441.32
6. Step 6: Final answer
   x = 28,629.48