Finding the Fourth Proportional to 3,572,516.76, 5,358,779.32 and 978,843.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,572,516.76 : 5,358,779.32 = 978,843.48 : x
2. Step 2: Convert to fraction form
   3,572,516.76/5,358,779.32 = 978,843.48/x
3. Step 3: Cross multiply
   3,572,516.76x = 5,358,779.32 × 978,843.48
4. Step 4: Simplify right side
   3,572,516.76x = 5,245,406,215,789.15
5. Step 5: Solve for x
   x = 5,245,406,215,789.15/3,572,516.76
6. Step 6: Final answer
   x = 1,468,266.37