Finding the Fourth Proportional to 57,962,586.16, 80,058,521.64 and 42,256,738

Step by Step Solution

1. Step 1: Write the proportion equation
   57,962,586.16 : 80,058,521.64 = 42,256,738 : x
2. Step 2: Convert to fraction form
   57,962,586.16/80,058,521.64 = 42,256,738/x
3. Step 3: Cross multiply
   57,962,586.16x = 80,058,521.64 × 42,256,738
4. Step 4: Simplify right side
   57,962,586.16x = 3,383,011,973,608,810.50
5. Step 5: Solve for x
   x = 3,383,011,973,608,810.50/57,962,586.16
6. Step 6: Final answer
   x = 58,365,442.22