Finding the Fourth Proportional to 1,147,100.83, 1,582,989.55 and 637,798.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,100.83 : 1,582,989.55 = 637,798.75 : x
2. Step 2: Convert to fraction form
   1,147,100.83/1,582,989.55 = 637,798.75/x
3. Step 3: Cross multiply
   1,147,100.83x = 1,582,989.55 × 637,798.75
4. Step 4: Simplify right side
   1,147,100.83x = 1,009,628,756,253.06
5. Step 5: Solve for x
   x = 1,009,628,756,253.06/1,147,100.83
6. Step 6: Final answer
   x = 880,156.94