Finding the Fourth Proportional to 1,006,412.56, 1,388,860.32 and 547,529.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,006,412.56 : 1,388,860.32 = 547,529.72 : x
2. Step 2: Convert to fraction form
   1,006,412.56/1,388,860.32 = 547,529.72/x
3. Step 3: Cross multiply
   1,006,412.56x = 1,388,860.32 × 547,529.72
4. Step 4: Simplify right side
   1,006,412.56x = 760,442,302,128.71
5. Step 5: Solve for x
   x = 760,442,302,128.71/1,006,412.56
6. Step 6: Final answer
   x = 755,596.99