Finding the Fourth Proportional to 436,105.84, 653,491 and 293,422.56

Step by Step Solution

1. Step 1: Write the proportion equation
   436,105.84 : 653,491 = 293,422.56 : x
2. Step 2: Convert to fraction form
   436,105.84/653,491 = 293,422.56/x
3. Step 3: Cross multiply
   436,105.84x = 653,491 × 293,422.56
4. Step 4: Simplify right side
   436,105.84x = 191,749,002,156.96
5. Step 5: Solve for x
   x = 191,749,002,156.96/436,105.84
6. Step 6: Final answer
   x = 439,684.55