Finding the Fourth Proportional to 2,611,580.56, 3,917,399.53 and 789,964

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611,580.56 : 3,917,399.53 = 789,964 : x
2. Step 2: Convert to fraction form
   2,611,580.56/3,917,399.53 = 789,964/x
3. Step 3: Cross multiply
   2,611,580.56x = 3,917,399.53 × 789,964
4. Step 4: Simplify right side
   2,611,580.56x = 3,094,604,602,316.92
5. Step 5: Solve for x
   x = 3,094,604,602,316.92/2,611,580.56
6. Step 6: Final answer
   x = 1,184,954.68