Finding the Fourth Proportional to 193,399.81, 290,093.27 and 79,543.69

Step by Step Solution

1. Step 1: Write the proportion equation
   193,399.81 : 290,093.27 = 79,543.69 : x
2. Step 2: Convert to fraction form
   193,399.81/290,093.27 = 79,543.69/x
3. Step 3: Cross multiply
   193,399.81x = 290,093.27 × 79,543.69
4. Step 4: Simplify right side
   193,399.81x = 23,075,088,017.01
5. Step 5: Solve for x
   x = 23,075,088,017.01/193,399.81
6. Step 6: Final answer
   x = 119,312.88