Finding the Fourth Proportional to 57,962,588.16, 80,058,524.40 and 42,256,740

Step by Step Solution

1. Step 1: Write the proportion equation
   57,962,588.16 : 80,058,524.40 = 42,256,740 : x
2. Step 2: Convert to fraction form
   57,962,588.16/80,058,524.40 = 42,256,740/x
3. Step 3: Cross multiply
   57,962,588.16x = 80,058,524.40 × 42,256,740
4. Step 4: Simplify right side
   57,962,588.16x = 3,383,012,250,354,456.50
5. Step 5: Solve for x
   x = 3,383,012,250,354,456.50/57,962,588.16
6. Step 6: Final answer
   x = 58,365,444.98