Finding the Fourth Proportional to 1,929,507.30, 2,911,770.34 and 1,865,188.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929,507.30 : 2,911,770.34 = 1,865,188.85 : x
2. Step 2: Convert to fraction form
   1,929,507.30/2,911,770.34 = 1,865,188.85/x
3. Step 3: Cross multiply
   1,929,507.30x = 2,911,770.34 × 1,865,188.85
4. Step 4: Simplify right side
   1,929,507.30x = 5,431,001,552,706.89
5. Step 5: Solve for x
   x = 5,431,001,552,706.89/1,929,507.30
6. Step 6: Final answer
   x = 2,814,708.99