Finding the Fourth Proportional to 2,215,892.47, 3,058,166.64 and 1,298,892.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,892.47 : 3,058,166.64 = 1,298,892.01 : x
2. Step 2: Convert to fraction form
   2,215,892.47/3,058,166.64 = 1,298,892.01/x
3. Step 3: Cross multiply
   2,215,892.47x = 3,058,166.64 × 1,298,892.01
4. Step 4: Simplify right side
   2,215,892.47x = 3,972,228,213,944.55
5. Step 5: Solve for x
   x = 3,972,228,213,944.55/2,215,892.47
6. Step 6: Final answer
   x = 1,792,608.74