Finding the Fourth Proportional to 2,670,131.52, 4,005,160.56 and 648,390.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670,131.52 : 4,005,160.56 = 648,390.96 : x
2. Step 2: Convert to fraction form
   2,670,131.52/4,005,160.56 = 648,390.96/x
3. Step 3: Cross multiply
   2,670,131.52x = 4,005,160.56 × 648,390.96
4. Step 4: Simplify right side
   2,670,131.52x = 2,596,909,900,452.54
5. Step 5: Solve for x
   x = 2,596,909,900,452.54/2,670,131.52
6. Step 6: Final answer
   x = 972,577.52