Finding the Fourth Proportional to 790,068.72, 1,090,436.76 and 446,009.52

Step by Step Solution

1. Step 1: Write the proportion equation
   790,068.72 : 1,090,436.76 = 446,009.52 : x
2. Step 2: Convert to fraction form
   790,068.72/1,090,436.76 = 446,009.52/x
3. Step 3: Cross multiply
   790,068.72x = 1,090,436.76 × 446,009.52
4. Step 4: Simplify right side
   790,068.72x = 486,345,175,917.96
5. Step 5: Solve for x
   x = 486,345,175,917.96/790,068.72
6. Step 6: Final answer
   x = 615,573.26