Finding the Fourth Proportional to 9,789,145.56, 13,510,266.52 and 5,921,694.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789,145.56 : 13,510,266.52 = 5,921,694.42 : x
2. Step 2: Convert to fraction form
   9,789,145.56/13,510,266.52 = 5,921,694.42/x
3. Step 3: Cross multiply
   9,789,145.56x = 13,510,266.52 × 5,921,694.42
4. Step 4: Simplify right side
   9,789,145.56x = 80,003,669,864,196.81
5. Step 5: Solve for x
   x = 80,003,669,864,196.81/9,789,145.56
6. Step 6: Final answer
   x = 8,172,691.82