Finding the Fourth Proportional to 1,186,870.56, 1,637,946.96 and 677,736.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,186,870.56 : 1,637,946.96 = 677,736.48 : x
2. Step 2: Convert to fraction form
   1,186,870.56/1,637,946.96 = 677,736.48/x
3. Step 3: Cross multiply
   1,186,870.56x = 1,637,946.96 × 677,736.48
4. Step 4: Simplify right side
   1,186,870.56x = 1,110,096,407,097.10
5. Step 5: Solve for x
   x = 1,110,096,407,097.10/1,186,870.56
6. Step 6: Final answer
   x = 935,313.79