Finding the Fourth Proportional to 34,638.93, 51,936.72 and 14,638.07

Step by Step Solution

1. Step 1: Write the proportion equation
   34,638.93 : 51,936.72 = 14,638.07 : x
2. Step 2: Convert to fraction form
   34,638.93/51,936.72 = 14,638.07/x
3. Step 3: Cross multiply
   34,638.93x = 51,936.72 × 14,638.07
4. Step 4: Simplify right side
   34,638.93x = 760,253,342.93
5. Step 5: Solve for x
   x = 760,253,342.93/34,638.93
6. Step 6: Final answer
   x = 21,947.95