Finding the Fourth Proportional to 2,415,142.02, 3,622,490.90 and 817,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415,142.02 : 3,622,490.90 = 817,522.50 : x
2. Step 2: Convert to fraction form
   2,415,142.02/3,622,490.90 = 817,522.50/x
3. Step 3: Cross multiply
   2,415,142.02x = 3,622,490.90 × 817,522.50
4. Step 4: Simplify right side
   2,415,142.02x = 2,961,467,816,795.25
5. Step 5: Solve for x
   x = 2,961,467,816,795.25/2,415,142.02
6. Step 6: Final answer
   x = 1,226,208.56