Finding the Fourth Proportional to 2,261,100.96, 3,120,172.56 and 1,294,238.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261,100.96 : 3,120,172.56 = 1,294,238.88 : x
2. Step 2: Convert to fraction form
   2,261,100.96/3,120,172.56 = 1,294,238.88/x
3. Step 3: Cross multiply
   2,261,100.96x = 3,120,172.56 × 1,294,238.88
4. Step 4: Simplify right side
   2,261,100.96x = 4,038,248,639,461.13
5. Step 5: Solve for x
   x = 4,038,248,639,461.13/2,261,100.96
6. Step 6: Final answer
   x = 1,785,965.65