Finding the Fourth Proportional to 12,895,507.84, 19,342,561.86 and 3,919,360

Step by Step Solution

1. Step 1: Write the proportion equation
   12,895,507.84 : 19,342,561.86 = 3,919,360 : x
2. Step 2: Convert to fraction form
   12,895,507.84/19,342,561.86 = 3,919,360/x
3. Step 3: Cross multiply
   12,895,507.84x = 19,342,561.86 × 3,919,360
4. Step 4: Simplify right side
   12,895,507.84x = 75,810,463,251,609.59
5. Step 5: Solve for x
   x = 75,810,463,251,609.59/12,895,507.84
6. Step 6: Final answer
   x = 5,878,827.28