Finding the Fourth Proportional to 78,018.52, 117,093.42 and 73,097.77

Step by Step Solution

1. Step 1: Write the proportion equation
   78,018.52 : 117,093.42 = 73,097.77 : x
2. Step 2: Convert to fraction form
   78,018.52/117,093.42 = 73,097.77/x
3. Step 3: Cross multiply
   78,018.52x = 117,093.42 × 73,097.77
4. Step 4: Simplify right side
   78,018.52x = 8,559,267,883.67
5. Step 5: Solve for x
   x = 8,559,267,883.67/78,018.52
6. Step 6: Final answer
   x = 109,708.15