Finding the Fourth Proportional to 12,933,242.72, 19,401,364.91 and 4,298,113.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,933,242.72 : 19,401,364.91 = 4,298,113.79 : x
2. Step 2: Convert to fraction form
   12,933,242.72/19,401,364.91 = 4,298,113.79/x
3. Step 3: Cross multiply
   12,933,242.72x = 19,401,364.91 × 4,298,113.79
4. Step 4: Simplify right side
   12,933,242.72x = 83,389,274,064,493.11
5. Step 5: Solve for x
   x = 83,389,274,064,493.11/12,933,242.72
6. Step 6: Final answer
   x = 6,447,669.46