Finding the Fourth Proportional to 1,155,003.24, 1,593,914.52 and 638,730.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,003.24 : 1,593,914.52 = 638,730.30 : x
2. Step 2: Convert to fraction form
   1,155,003.24/1,593,914.52 = 638,730.30/x
3. Step 3: Cross multiply
   1,155,003.24x = 1,593,914.52 × 638,730.30
4. Step 4: Simplify right side
   1,155,003.24x = 1,018,081,499,533.96
5. Step 5: Solve for x
   x = 1,018,081,499,533.96/1,155,003.24
6. Step 6: Final answer
   x = 881,453.37