Finding the Fourth Proportional to 11,299,411.26, 16,956,581.86 and 5,316,245.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,299,411.26 : 16,956,581.86 = 5,316,245.82 : x
2. Step 2: Convert to fraction form
   11,299,411.26/16,956,581.86 = 5,316,245.82/x
3. Step 3: Cross multiply
   11,299,411.26x = 16,956,581.86 × 5,316,245.82
4. Step 4: Simplify right side
   11,299,411.26x = 90,145,357,434,712.83
5. Step 5: Solve for x
   x = 90,145,357,434,712.83/11,299,411.26
6. Step 6: Final answer
   x = 7,977,880.91