Finding the Fourth Proportional to 12,645,575.40, 18,968,412.31 and 3,060,938.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,645,575.40 : 18,968,412.31 = 3,060,938.55 : x
2. Step 2: Convert to fraction form
   12,645,575.40/18,968,412.31 = 3,060,938.55/x
3. Step 3: Cross multiply
   12,645,575.40x = 18,968,412.31 × 3,060,938.55
4. Step 4: Simplify right side
   12,645,575.40x = 58,061,144,471,973.54
5. Step 5: Solve for x
   x = 58,061,144,471,973.54/12,645,575.40
6. Step 6: Final answer
   x = 4,591,419.74