Finding the Fourth Proportional to 9,215,459, 12,717,338.84 and 5,141,078

Step by Step Solution

1. Step 1: Write the proportion equation
   9,215,459 : 12,717,338.84 = 5,141,078 : x
2. Step 2: Convert to fraction form
   9,215,459/12,717,338.84 = 5,141,078/x
3. Step 3: Cross multiply
   9,215,459x = 12,717,338.84 × 5,141,078
4. Step 4: Simplify right side
   9,215,459x = 65,380,830,928,869.52
5. Step 5: Solve for x
   x = 65,380,830,928,869.52/9,215,459
6. Step 6: Final answer
   x = 7,094,690.66