Finding the Fourth Proportional to 1,185,570.48, 1,778,688.72 and 476,096.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,570.48 : 1,778,688.72 = 476,096.76 : x
2. Step 2: Convert to fraction form
   1,185,570.48/1,778,688.72 = 476,096.76/x
3. Step 3: Cross multiply
   1,185,570.48x = 1,778,688.72 × 476,096.76
4. Step 4: Simplify right side
   1,185,570.48x = 846,827,936,640.55
5. Step 5: Solve for x
   x = 846,827,936,640.55/1,185,570.48
6. Step 6: Final answer
   x = 714,278.86