Finding the Fourth Proportional to 10,992,212.99, 16,488,459.71 and 2,905,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,992,212.99 : 16,488,459.71 = 2,905,118.72 : x
2. Step 2: Convert to fraction form
   10,992,212.99/16,488,459.71 = 2,905,118.72/x
3. Step 3: Cross multiply
   10,992,212.99x = 16,488,459.71 × 2,905,118.72
4. Step 4: Simplify right side
   10,992,212.99x = 47,900,932,967,486.77
5. Step 5: Solve for x
   x = 47,900,932,967,486.77/10,992,212.99
6. Step 6: Final answer
   x = 4,357,715.14