Finding the Fourth Proportional to 30,588.51, 42,236.01 and 19,838.49

Step by Step Solution

1. Step 1: Write the proportion equation
   30,588.51 : 42,236.01 = 19,838.49 : x
2. Step 2: Convert to fraction form
   30,588.51/42,236.01 = 19,838.49/x
3. Step 3: Cross multiply
   30,588.51x = 42,236.01 × 19,838.49
4. Step 4: Simplify right side
   30,588.51x = 837,898,662.02
5. Step 5: Solve for x
   x = 837,898,662.02/30,588.51
6. Step 6: Final answer
   x = 27,392.59