Finding the Fourth Proportional to 1,150,575.32, 1,587,848.28 and 641,281.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,575.32 : 1,587,848.28 = 641,281.34 : x
2. Step 2: Convert to fraction form
   1,150,575.32/1,587,848.28 = 641,281.34/x
3. Step 3: Cross multiply
   1,150,575.32x = 1,587,848.28 × 641,281.34
4. Step 4: Simplify right side
   1,150,575.32x = 1,018,257,472,715.10
5. Step 5: Solve for x
   x = 1,018,257,472,715.10/1,150,575.32
6. Step 6: Final answer
   x = 884,998.54