Finding the Fourth Proportional to 167,596.47, 231,287.69 and 91,120.71

Step by Step Solution

1. Step 1: Write the proportion equation
   167,596.47 : 231,287.69 = 91,120.71 : x
2. Step 2: Convert to fraction form
   167,596.47/231,287.69 = 91,120.71/x
3. Step 3: Cross multiply
   167,596.47x = 231,287.69 × 91,120.71
4. Step 4: Simplify right side
   167,596.47x = 21,075,098,071.46
5. Step 5: Solve for x
   x = 21,075,098,071.46/167,596.47
6. Step 6: Final answer
   x = 125,749.06