Finding the Fourth Proportional to 301,871,526.80, 416,584,117.72 and 171,498,488.72

Step by Step Solution

1. Step 1: Write the proportion equation
   301,871,526.80 : 416,584,117.72 = 171,498,488.72 : x
2. Step 2: Convert to fraction form
   301,871,526.80/416,584,117.72 = 171,498,488.72/x
3. Step 3: Cross multiply
   301,871,526.80x = 416,584,117.72 × 171,498,488.72
4. Step 4: Simplify right side
   301,871,526.80x = 71,443,546,613,734,576
5. Step 5: Solve for x
   x = 71,443,546,613,734,576/301,871,526.80
6. Step 6: Final answer
   x = 236,668,715.90