Finding the Fourth Proportional to 1,585,111.15, 2,187,457.58 and 859,958.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585,111.15 : 2,187,457.58 = 859,958.84 : x
2. Step 2: Convert to fraction form
   1,585,111.15/2,187,457.58 = 859,958.84/x
3. Step 3: Cross multiply
   1,585,111.15x = 2,187,457.58 × 859,958.84
4. Step 4: Simplify right side
   1,585,111.15x = 1,881,123,478,746.21
5. Step 5: Solve for x
   x = 1,881,123,478,746.21/1,585,111.15
6. Step 6: Final answer
   x = 1,186,745.48