Finding the Fourth Proportional to 2,109,679.17, 2,911,371.27 and 1,142,809.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,679.17 : 2,911,371.27 = 1,142,809.50 : x
2. Step 2: Convert to fraction form
   2,109,679.17/2,911,371.27 = 1,142,809.50/x
3. Step 3: Cross multiply
   2,109,679.17x = 2,911,371.27 × 1,142,809.50
4. Step 4: Simplify right side
   2,109,679.17x = 3,327,142,745,383.07
5. Step 5: Solve for x
   x = 3,327,142,745,383.07/2,109,679.17
6. Step 6: Final answer
   x = 1,577,084.70