Finding the Fourth Proportional to 865,123.71, 1,185,199.59 and 832,778.79

Step by Step Solution

1. Step 1: Write the proportion equation
   865,123.71 : 1,185,199.59 = 832,778.79 : x
2. Step 2: Convert to fraction form
   865,123.71/1,185,199.59 = 832,778.79/x
3. Step 3: Cross multiply
   865,123.71x = 1,185,199.59 × 832,778.79
4. Step 4: Simplify right side
   865,123.71x = 987,009,080,468.70
5. Step 5: Solve for x
   x = 987,009,080,468.70/865,123.71
6. Step 6: Final answer
   x = 1,140,887.79