Finding the Fourth Proportional to 77,013.33, 115,488.98 and 27,081.55

Step by Step Solution

1. Step 1: Write the proportion equation
   77,013.33 : 115,488.98 = 27,081.55 : x
2. Step 2: Convert to fraction form
   77,013.33/115,488.98 = 27,081.55/x
3. Step 3: Cross multiply
   77,013.33x = 115,488.98 × 27,081.55
4. Step 4: Simplify right side
   77,013.33x = 3,127,620,821.15
5. Step 5: Solve for x
   x = 3,127,620,821.15/77,013.33
6. Step 6: Final answer
   x = 40,611.42