Finding the Fourth Proportional to 116,780.58, 161,157.69 and 65,793.93

Step by Step Solution

1. Step 1: Write the proportion equation
   116,780.58 : 161,157.69 = 65,793.93 : x
2. Step 2: Convert to fraction form
   116,780.58/161,157.69 = 65,793.93/x
3. Step 3: Cross multiply
   116,780.58x = 161,157.69 × 65,793.93
4. Step 4: Simplify right side
   116,780.58x = 10,603,197,774.82
5. Step 5: Solve for x
   x = 10,603,197,774.82/116,780.58
6. Step 6: Final answer
   x = 90,795.90