Finding the Fourth Proportional to 1,147,238.15, 1,583,189.96 and 637,929.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,238.15 : 1,583,189.96 = 637,929.59 : x
2. Step 2: Convert to fraction form
   1,147,238.15/1,583,189.96 = 637,929.59/x
3. Step 3: Cross multiply
   1,147,238.15x = 1,583,189.96 × 637,929.59
4. Step 4: Simplify right side
   1,147,238.15x = 1,009,963,710,969.32
5. Step 5: Solve for x
   x = 1,009,963,710,969.32/1,147,238.15
6. Step 6: Final answer
   x = 880,343.56