Finding the Fourth Proportional to 779,731.31, 1,170,063.52 and 716,279.15

Step by Step Solution

1. Step 1: Write the proportion equation
   779,731.31 : 1,170,063.52 = 716,279.15 : x
2. Step 2: Convert to fraction form
   779,731.31/1,170,063.52 = 716,279.15/x
3. Step 3: Cross multiply
   779,731.31x = 1,170,063.52 × 716,279.15
4. Step 4: Simplify right side
   779,731.31x = 838,092,095,910.59
5. Step 5: Solve for x
   x = 838,092,095,910.59/779,731.31
6. Step 6: Final answer
   x = 1,074,847.31