Finding the Fourth Proportional to 1,564,260.82, 2,157,564.78 and 1,435,613.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,564,260.82 : 2,157,564.78 = 1,435,613.96 : x
2. Step 2: Convert to fraction form
   1,564,260.82/2,157,564.78 = 1,435,613.96/x
3. Step 3: Cross multiply
   1,564,260.82x = 2,157,564.78 × 1,435,613.96
4. Step 4: Simplify right side
   1,564,260.82x = 3,097,430,117,772.33
5. Step 5: Solve for x
   x = 3,097,430,117,772.33/1,564,260.82
6. Step 6: Final answer
   x = 1,980,123.82