Finding the Fourth Proportional to 1,008,978.16, 1,513,423.50 and 250,803.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,978.16 : 1,513,423.50 = 250,803.58 : x
2. Step 2: Convert to fraction form
   1,008,978.16/1,513,423.50 = 250,803.58/x
3. Step 3: Cross multiply
   1,008,978.16x = 1,513,423.50 × 250,803.58
4. Step 4: Simplify right side
   1,008,978.16x = 379,572,031,856.13
5. Step 5: Solve for x
   x = 379,572,031,856.13/1,008,978.16
6. Step 6: Final answer
   x = 376,194.50