Finding the Fourth Proportional to 839,901.60, 1,158,733.35 and 517,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   839,901.60 : 1,158,733.35 = 517,050.72 : x
2. Step 2: Convert to fraction form
   839,901.60/1,158,733.35 = 517,050.72/x
3. Step 3: Cross multiply
   839,901.60x = 1,158,733.35 × 517,050.72
4. Step 4: Simplify right side
   839,901.60x = 599,123,912,905.51
5. Step 5: Solve for x
   x = 599,123,912,905.51/839,901.60
6. Step 6: Final answer
   x = 713,326.31