Finding the Fourth Proportional to 51,093.95, 77,120.83 and 51,093.95

Step by Step Solution

1. Step 1: Write the proportion equation
   51,093.95 : 77,120.83 = 51,093.95 : x
2. Step 2: Convert to fraction form
   51,093.95/77,120.83 = 51,093.95/x
3. Step 3: Cross multiply
   51,093.95x = 77,120.83 × 51,093.95
4. Step 4: Simplify right side
   51,093.95x = 3,940,407,897.05
5. Step 5: Solve for x
   x = 3,940,407,897.05/51,093.95
6. Step 6: Final answer
   x = 77,120.83