Finding the Fourth Proportional to 2,109,730.99, 2,911,437.69 and 1,142,861.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,730.99 : 2,911,437.69 = 1,142,861.28 : x
2. Step 2: Convert to fraction form
   2,109,730.99/2,911,437.69 = 1,142,861.28/x
3. Step 3: Cross multiply
   2,109,730.99x = 2,911,437.69 × 1,142,861.28
4. Step 4: Simplify right side
   2,109,730.99x = 3,327,369,399,319.34
5. Step 5: Solve for x
   x = 3,327,369,399,319.34/2,109,730.99
6. Step 6: Final answer
   x = 1,577,153.40