Finding the Fourth Proportional to 1,164,886.67, 1,608,039.59 and 783,134.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164,886.67 : 1,608,039.59 = 783,134.88 : x
2. Step 2: Convert to fraction form
   1,164,886.67/1,608,039.59 = 783,134.88/x
3. Step 3: Cross multiply
   1,164,886.67x = 1,608,039.59 × 783,134.88
4. Step 4: Simplify right side
   1,164,886.67x = 1,259,311,887,434.22
5. Step 5: Solve for x
   x = 1,259,311,887,434.22/1,164,886.67
6. Step 6: Final answer
   x = 1,081,059.58