Finding the Fourth Proportional to 49,213, 67,917.59 and 27,999.10

Step by Step Solution

1. Step 1: Write the proportion equation
   49,213 : 67,917.59 = 27,999.10 : x
2. Step 2: Convert to fraction form
   49,213/67,917.59 = 27,999.10/x
3. Step 3: Cross multiply
   49,213x = 67,917.59 × 27,999.10
4. Step 4: Simplify right side
   49,213x = 1,901,631,394.17
5. Step 5: Solve for x
   x = 1,901,631,394.17/49,213
6. Step 6: Final answer
   x = 38,640.83