Finding the Fourth Proportional to 2,309,333.10, 3,186,829.80 and 1,276,801.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,333.10 : 3,186,829.80 = 1,276,801.20 : x
2. Step 2: Convert to fraction form
   2,309,333.10/3,186,829.80 = 1,276,801.20/x
3. Step 3: Cross multiply
   2,309,333.10x = 3,186,829.80 × 1,276,801.20
4. Step 4: Simplify right side
   2,309,333.10x = 4,068,948,112,835.76
5. Step 5: Solve for x
   x = 4,068,948,112,835.76/2,309,333.10
6. Step 6: Final answer
   x = 1,761,958.08