Finding the Fourth Proportional to 426,090,667.84, 587,999,315.28 and 237,921,868.24

Step by Step Solution

1. Step 1: Write the proportion equation
   426,090,667.84 : 587,999,315.28 = 237,921,868.24 : x
2. Step 2: Convert to fraction form
   426,090,667.84/587,999,315.28 = 237,921,868.24/x
3. Step 3: Cross multiply
   426,090,667.84x = 587,999,315.28 × 237,921,868.24
4. Step 4: Simplify right side
   426,090,667.84x = 139,897,895,615,258,384
5. Step 5: Solve for x
   x = 139,897,895,615,258,384/426,090,667.84
6. Step 6: Final answer
   x = 328,328,936.01