Finding the Fourth Proportional to 2,131,901.01, 2,942,061.89 and 1,165,072.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,901.01 : 2,942,061.89 = 1,165,072.05 : x
2. Step 2: Convert to fraction form
   2,131,901.01/2,942,061.89 = 1,165,072.05/x
3. Step 3: Cross multiply
   2,131,901.01x = 2,942,061.89 × 1,165,072.05
4. Step 4: Simplify right side
   2,131,901.01x = 3,427,714,071,583.81
5. Step 5: Solve for x
   x = 3,427,714,071,583.81/2,131,901.01
6. Step 6: Final answer
   x = 1,607,820.46