Finding the Fourth Proportional to 146,837,609.47, 220,058,003.49 and 55,911,597.31

Step by Step Solution

1. Step 1: Write the proportion equation
   146,837,609.47 : 220,058,003.49 = 55,911,597.31 : x
2. Step 2: Convert to fraction form
   146,837,609.47/220,058,003.49 = 55,911,597.31/x
3. Step 3: Cross multiply
   146,837,609.47x = 220,058,003.49 × 55,911,597.31
4. Step 4: Simplify right side
   146,837,609.47x = 12,303,794,475,975,456
5. Step 5: Solve for x
   x = 12,303,794,475,975,456/146,837,609.47
6. Step 6: Final answer
   x = 83,791,846.79