Finding the Fourth Proportional to 2,089,908.34, 2,884,105.12 and 1,172,340.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089,908.34 : 2,884,105.12 = 1,172,340.88 : x
2. Step 2: Convert to fraction form
   2,089,908.34/2,884,105.12 = 1,172,340.88/x
3. Step 3: Cross multiply
   2,089,908.34x = 2,884,105.12 × 1,172,340.88
4. Step 4: Simplify right side
   2,089,908.34x = 3,381,154,334,393.31
5. Step 5: Solve for x
   x = 3,381,154,334,393.31/2,089,908.34
6. Step 6: Final answer
   x = 1,617,848.15