Finding the Fourth Proportional to 1,185,564.50, 1,778,679.72 and 476,090.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,564.50 : 1,778,679.72 = 476,090.76 : x
2. Step 2: Convert to fraction form
   1,185,564.50/1,778,679.72 = 476,090.76/x
3. Step 3: Cross multiply
   1,185,564.50x = 1,778,679.72 × 476,090.76
4. Step 4: Simplify right side
   1,185,564.50x = 846,812,979,691.39
5. Step 5: Solve for x
   x = 846,812,979,691.39/1,185,564.50
6. Step 6: Final answer
   x = 714,269.85