Finding the Fourth Proportional to 12,645,574.90, 18,968,411.56 and 3,060,938.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,645,574.90 : 18,968,411.56 = 3,060,938.05 : x
2. Step 2: Convert to fraction form
   12,645,574.90/18,968,411.56 = 3,060,938.05/x
3. Step 3: Cross multiply
   12,645,574.90x = 18,968,411.56 × 3,060,938.05
4. Step 4: Simplify right side
   12,645,574.90x = 58,061,132,747,137.23
5. Step 5: Solve for x
   x = 58,061,132,747,137.23/12,645,574.90
6. Step 6: Final answer
   x = 4,591,418.99