Finding the Fourth Proportional to 300,127,141.71, 414,218,953.71 and 172,943,076.26

Step by Step Solution

1. Step 1: Write the proportion equation
   300,127,141.71 : 414,218,953.71 = 172,943,076.26 : x
2. Step 2: Convert to fraction form
   300,127,141.71/414,218,953.71 = 172,943,076.26/x
3. Step 3: Cross multiply
   300,127,141.71x = 414,218,953.71 × 172,943,076.26
4. Step 4: Simplify right side
   300,127,141.71x = 71,636,300,100,841,480
5. Step 5: Solve for x
   x = 71,636,300,100,841,480/300,127,141.71
6. Step 6: Final answer
   x = 238,686,510.30