Finding the Fourth Proportional to 756,064.10, 1,134,096.15 and 476,128.10

Step by Step Solution

1. Step 1: Write the proportion equation
   756,064.10 : 1,134,096.15 = 476,128.10 : x
2. Step 2: Convert to fraction form
   756,064.10/1,134,096.15 = 476,128.10/x
3. Step 3: Cross multiply
   756,064.10x = 1,134,096.15 × 476,128.10
4. Step 4: Simplify right side
   756,064.10x = 539,975,045,116.82
5. Step 5: Solve for x
   x = 539,975,045,116.82/756,064.10
6. Step 6: Final answer
   x = 714,192.15