Finding the Fourth Proportional to 49,638.63, 68,501.98 and 26,978.07

Step by Step Solution

1. Step 1: Write the proportion equation
   49,638.63 : 68,501.98 = 26,978.07 : x
2. Step 2: Convert to fraction form
   49,638.63/68,501.98 = 26,978.07/x
3. Step 3: Cross multiply
   49,638.63x = 68,501.98 × 26,978.07
4. Step 4: Simplify right side
   49,638.63x = 1,848,051,211.58
5. Step 5: Solve for x
   x = 1,848,051,211.58/49,638.63
6. Step 6: Final answer
   x = 37,230.10