Finding the Fourth Proportional to 2,109,756.83, 2,911,473.21 and 1,142,887.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,756.83 : 2,911,473.21 = 1,142,887.03 : x
2. Step 2: Convert to fraction form
   2,109,756.83/2,911,473.21 = 1,142,887.03/x
3. Step 3: Cross multiply
   2,109,756.83x = 2,911,473.21 × 1,142,887.03
4. Step 4: Simplify right side
   2,109,756.83x = 3,327,484,966,908.61
5. Step 5: Solve for x
   x = 3,327,484,966,908.61/2,109,756.83
6. Step 6: Final answer
   x = 1,577,188.86