Finding the Fourth Proportional to 42,009.32, 63,020.37 and 14,300.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,009.32 : 63,020.37 = 14,300.84 : x
2. Step 2: Convert to fraction form
   42,009.32/63,020.37 = 14,300.84/x
3. Step 3: Cross multiply
   42,009.32x = 63,020.37 × 14,300.84
4. Step 4: Simplify right side
   42,009.32x = 901,244,228.11
5. Step 5: Solve for x
   x = 901,244,228.11/42,009.32
6. Step 6: Final answer
   x = 21,453.44