Finding the Fourth Proportional to 1,010,976.42, 1,515,715.57 and 477,874.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,976.42 : 1,515,715.57 = 477,874.52 : x
2. Step 2: Convert to fraction form
   1,010,976.42/1,515,715.57 = 477,874.52/x
3. Step 3: Cross multiply
   1,010,976.42x = 1,515,715.57 × 477,874.52
4. Step 4: Simplify right side
   1,010,976.42x = 724,321,850,470.28
5. Step 5: Solve for x
   x = 724,321,850,470.28/1,010,976.42
6. Step 6: Final answer
   x = 716,457.71