Finding the Fourth Proportional to 78,138.33, 107,809.01 and 49,069.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,138.33 : 107,809.01 = 49,069.83 : x
2. Step 2: Convert to fraction form
   78,138.33/107,809.01 = 49,069.83/x
3. Step 3: Cross multiply
   78,138.33x = 107,809.01 × 49,069.83
4. Step 4: Simplify right side
   78,138.33x = 5,290,169,547.82
5. Step 5: Solve for x
   x = 5,290,169,547.82/78,138.33
6. Step 6: Final answer
   x = 67,702.62