Finding the Fourth Proportional to 1,048,147.72, 1,446,495.15 and 589,406.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048,147.72 : 1,446,495.15 = 589,406.70 : x
2. Step 2: Convert to fraction form
   1,048,147.72/1,446,495.15 = 589,406.70/x
3. Step 3: Cross multiply
   1,048,147.72x = 1,446,495.15 × 589,406.70
4. Step 4: Simplify right side
   1,048,147.72x = 852,573,932,927.51
5. Step 5: Solve for x
   x = 852,573,932,927.51/1,048,147.72
6. Step 6: Final answer
   x = 813,410.09