Finding the Fourth Proportional to 9,356,419.98, 12,911,967.27 and 5,489,006.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,356,419.98 : 12,911,967.27 = 5,489,006.94 : x
2. Step 2: Convert to fraction form
   9,356,419.98/12,911,967.27 = 5,489,006.94/x
3. Step 3: Cross multiply
   9,356,419.98x = 12,911,967.27 × 5,489,006.94
4. Step 4: Simplify right side
   9,356,419.98x = 70,873,877,954,082.86
5. Step 5: Solve for x
   x = 70,873,877,954,082.86/9,356,419.98
6. Step 6: Final answer
   x = 7,574,892.76