Finding the Fourth Proportional to 414,443,208.76, 571,928,667.07 and 226,271,496.81

Step by Step Solution

1. Step 1: Write the proportion equation
   414,443,208.76 : 571,928,667.07 = 226,271,496.81 : x
2. Step 2: Convert to fraction form
   414,443,208.76/571,928,667.07 = 226,271,496.81/x
3. Step 3: Cross multiply
   414,443,208.76x = 571,928,667.07 × 226,271,496.81
4. Step 4: Simplify right side
   414,443,208.76x = 129,411,155,566,477,072
5. Step 5: Solve for x
   x = 129,411,155,566,477,072/414,443,208.76
6. Step 6: Final answer
   x = 312,253,048.99