Finding the Fourth Proportional to 213,019,570.55, 293,954,656.01 and 118,939,674.03

Step by Step Solution

1. Step 1: Write the proportion equation
   213,019,570.55 : 293,954,656.01 = 118,939,674.03 : x
2. Step 2: Convert to fraction form
   213,019,570.55/293,954,656.01 = 118,939,674.03/x
3. Step 3: Cross multiply
   213,019,570.55x = 293,954,656.01 × 118,939,674.03
4. Step 4: Simplify right side
   213,019,570.55x = 34,962,870,964,835,480
5. Step 5: Solve for x
   x = 34,962,870,964,835,480/213,019,570.55
6. Step 6: Final answer
   x = 164,129,853.78