Finding the Fourth Proportional to 2,105,056.88, 3,157,974.72 and 666,102.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,056.88 : 3,157,974.72 = 666,102.56 : x
2. Step 2: Convert to fraction form
   2,105,056.88/3,157,974.72 = 666,102.56/x
3. Step 3: Cross multiply
   2,105,056.88x = 3,157,974.72 × 666,102.56
4. Step 4: Simplify right side
   2,105,056.88x = 2,103,535,045,407.28
5. Step 5: Solve for x
   x = 2,103,535,045,407.28/2,105,056.88
6. Step 6: Final answer
   x = 999,277.06