Finding the Fourth Proportional to 2,131,018.56, 3,197,788.96 and 784,127

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,018.56 : 3,197,788.96 = 784,127 : x
2. Step 2: Convert to fraction form
   2,131,018.56/3,197,788.96 = 784,127/x
3. Step 3: Cross multiply
   2,131,018.56x = 3,197,788.96 × 784,127
4. Step 4: Simplify right side
   2,131,018.56x = 2,507,472,663,837.92
5. Step 5: Solve for x
   x = 2,507,472,663,837.92/2,131,018.56
6. Step 6: Final answer
   x = 1,176,654.54