Finding the Fourth Proportional to 290,189.34, 435,263.37 and 76,952.52

Step by Step Solution

1. Step 1: Write the proportion equation
   290,189.34 : 435,263.37 = 76,952.52 : x
2. Step 2: Convert to fraction form
   290,189.34/435,263.37 = 76,952.52/x
3. Step 3: Cross multiply
   290,189.34x = 435,263.37 × 76,952.52
4. Step 4: Simplify right side
   290,189.34x = 33,494,613,185.19
5. Step 5: Solve for x
   x = 33,494,613,185.19/290,189.34
6. Step 6: Final answer
   x = 115,423.31