Finding the Fourth Proportional to 2,148,747.55, 2,964,396.59 and 1,218,259.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148,747.55 : 2,964,396.59 = 1,218,259.34 : x
2. Step 2: Convert to fraction form
   2,148,747.55/2,964,396.59 = 1,218,259.34/x
3. Step 3: Cross multiply
   2,148,747.55x = 2,964,396.59 × 1,218,259.34
4. Step 4: Simplify right side
   2,148,747.55x = 3,611,403,828,003.33
5. Step 5: Solve for x
   x = 3,611,403,828,003.33/2,148,747.55
6. Step 6: Final answer
   x = 1,680,701.78