Finding the Fourth Proportional to 146,837,568.96, 220,057,942.72 and 55,911,556.80

Step by Step Solution

1. Step 1: Write the proportion equation
   146,837,568.96 : 220,057,942.72 = 55,911,556.80 : x
2. Step 2: Convert to fraction form
   146,837,568.96/220,057,942.72 = 55,911,556.80/x
3. Step 3: Cross multiply
   146,837,568.96x = 220,057,942.72 × 55,911,556.80
4. Step 4: Simplify right side
   146,837,568.96x = 12,303,782,163,680,426
5. Step 5: Solve for x
   x = 12,303,782,163,680,426/146,837,568.96
6. Step 6: Final answer
   x = 83,791,786.06