Finding the Fourth Proportional to 2,219,885.37, 3,063,441.78 and 1,201,290.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219,885.37 : 3,063,441.78 = 1,201,290.12 : x
2. Step 2: Convert to fraction form
   2,219,885.37/3,063,441.78 = 1,201,290.12/x
3. Step 3: Cross multiply
   2,219,885.37x = 3,063,441.78 × 1,201,290.12
4. Step 4: Simplify right side
   2,219,885.37x = 3,680,082,343,509.21
5. Step 5: Solve for x
   x = 3,680,082,343,509.21/2,219,885.37
6. Step 6: Final answer
   x = 1,657,780.35