Finding the Fourth Proportional to 12,730,661.69, 19,095,805.55 and 3,146,039.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,730,661.69 : 19,095,805.55 = 3,146,039.96 : x
2. Step 2: Convert to fraction form
   12,730,661.69/19,095,805.55 = 3,146,039.96/x
3. Step 3: Cross multiply
   12,730,661.69x = 19,095,805.55 × 3,146,039.96
4. Step 4: Simplify right side
   12,730,661.69x = 60,076,167,241,075.84
5. Step 5: Solve for x
   x = 60,076,167,241,075.84/12,730,661.69
6. Step 6: Final answer
   x = 4,719,013.73