Finding the Fourth Proportional to 2,106,294.10, 2,906,677.10 and 1,139,422.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,294.10 : 2,906,677.10 = 1,139,422.01 : x
2. Step 2: Convert to fraction form
   2,106,294.10/2,906,677.10 = 1,139,422.01/x
3. Step 3: Cross multiply
   2,106,294.10x = 2,906,677.10 × 1,139,422.01
4. Step 4: Simplify right side
   2,106,294.10x = 3,311,931,852,018.14
5. Step 5: Solve for x
   x = 3,311,931,852,018.14/2,106,294.10
6. Step 6: Final answer
   x = 1,572,397.63