Finding the Fourth Proportional to 404,908,300.14, 558,773,993.07 and 219,269,635.98

Step by Step Solution

1. Step 1: Write the proportion equation
   404,908,300.14 : 558,773,993.07 = 219,269,635.98 : x
2. Step 2: Convert to fraction form
   404,908,300.14/558,773,993.07 = 219,269,635.98/x
3. Step 3: Cross multiply
   404,908,300.14x = 558,773,993.07 × 219,269,635.98
4. Step 4: Simplify right side
   404,908,300.14x = 122,522,170,055,549,952
5. Step 5: Solve for x
   x = 122,522,170,055,549,952/404,908,300.14
6. Step 6: Final answer
   x = 302,592,389.47