Finding the Fourth Proportional to 1,008,977.68, 1,513,422.72 and 250,803.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,977.68 : 1,513,422.72 = 250,803.12 : x
2. Step 2: Convert to fraction form
   1,008,977.68/1,513,422.72 = 250,803.12/x
3. Step 3: Cross multiply
   1,008,977.68x = 1,513,422.72 × 250,803.12
4. Step 4: Simplify right side
   1,008,977.68x = 379,571,140,054.89
5. Step 5: Solve for x
   x = 379,571,140,054.89/1,008,977.68
6. Step 6: Final answer
   x = 376,193.79