Finding the Fourth Proportional to 10,993,842.15, 16,490,890.17 and 3,317,553.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,993,842.15 : 16,490,890.17 = 3,317,553.47 : x
2. Step 2: Convert to fraction form
   10,993,842.15/16,490,890.17 = 3,317,553.47/x
3. Step 3: Cross multiply
   10,993,842.15x = 16,490,890.17 × 3,317,553.47
4. Step 4: Simplify right side
   10,993,842.15x = 54,709,409,824,417.94
5. Step 5: Solve for x
   x = 54,709,409,824,417.94/10,993,842.15
6. Step 6: Final answer
   x = 4,976,368.51