Finding the Fourth Proportional to 1,076,128.67, 1,613,085.84 and 477,371.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076,128.67 : 1,613,085.84 = 477,371.81 : x
2. Step 2: Convert to fraction form
   1,076,128.67/1,613,085.84 = 477,371.81/x
3. Step 3: Cross multiply
   1,076,128.67x = 1,613,085.84 × 477,371.81
4. Step 4: Simplify right side
   1,076,128.67x = 770,041,711,158.89
5. Step 5: Solve for x
   x = 770,041,711,158.89/1,076,128.67
6. Step 6: Final answer
   x = 715,566.58