Finding the Fourth Proportional to 712,046.71, 1,068,067.63 and 291,322.59

Step by Step Solution

1. Step 1: Write the proportion equation
   712,046.71 : 1,068,067.63 = 291,322.59 : x
2. Step 2: Convert to fraction form
   712,046.71/1,068,067.63 = 291,322.59/x
3. Step 3: Cross multiply
   712,046.71x = 1,068,067.63 × 291,322.59
4. Step 4: Simplify right side
   712,046.71x = 311,152,228,266.76
5. Step 5: Solve for x
   x = 311,152,228,266.76/712,046.71
6. Step 6: Final answer
   x = 436,982.89