Finding the Fourth Proportional to 2,111,705.11, 2,916,558.74 and 1,431,460.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,705.11 : 2,916,558.74 = 1,431,460.63 : x
2. Step 2: Convert to fraction form
   2,111,705.11/2,916,558.74 = 1,431,460.63/x
3. Step 3: Cross multiply
   2,111,705.11x = 2,916,558.74 × 1,431,460.63
4. Step 4: Simplify right side
   2,111,705.11x = 4,174,938,996,809.61
5. Step 5: Solve for x
   x = 4,174,938,996,809.61/2,111,705.11
6. Step 6: Final answer
   x = 1,977,046.41