Finding the Fourth Proportional to 290,146.86, 435,222.72 and 79,796.34

Step by Step Solution

1. Step 1: Write the proportion equation
   290,146.86 : 435,222.72 = 79,796.34 : x
2. Step 2: Convert to fraction form
   290,146.86/435,222.72 = 79,796.34/x
3. Step 3: Cross multiply
   290,146.86x = 435,222.72 × 79,796.34
4. Step 4: Simplify right side
   290,146.86x = 34,729,180,140.84
5. Step 5: Solve for x
   x = 34,729,180,140.84/290,146.86
6. Step 6: Final answer
   x = 119,695.18