Finding the Fourth Proportional to 2,248,997.50, 3,373,499.50 and 919,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,248,997.50 : 3,373,499.50 = 919,301.50 : x
2. Step 2: Convert to fraction form
   2,248,997.50/3,373,499.50 = 919,301.50/x
3. Step 3: Cross multiply
   2,248,997.50x = 3,373,499.50 × 919,301.50
4. Step 4: Simplify right side
   2,248,997.50x = 3,101,263,150,599.25
5. Step 5: Solve for x
   x = 3,101,263,150,599.25/2,248,997.50
6. Step 6: Final answer
   x = 1,378,953.58