Finding the Fourth Proportional to 301,056,429.27, 451,596,889.58 and 143,408,401.12

Step by Step Solution

1. Step 1: Write the proportion equation
   301,056,429.27 : 451,596,889.58 = 143,408,401.12 : x
2. Step 2: Convert to fraction form
   301,056,429.27/451,596,889.58 = 143,408,401.12/x
3. Step 3: Cross multiply
   301,056,429.27x = 451,596,889.58 × 143,408,401.12
4. Step 4: Simplify right side
   301,056,429.27x = 64,762,787,885,432,992
5. Step 5: Solve for x
   x = 64,762,787,885,432,992/301,056,429.27
6. Step 6: Final answer
   x = 215,118,434.91