Finding the Fourth Proportional to 12,754,923.78, 19,128,461.38 and 3,654,583.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,754,923.78 : 19,128,461.38 = 3,654,583.05 : x
2. Step 2: Convert to fraction form
   12,754,923.78/19,128,461.38 = 3,654,583.05/x
3. Step 3: Cross multiply
   12,754,923.78x = 19,128,461.38 × 3,654,583.05
4. Step 4: Simplify right side
   12,754,923.78x = 69,906,550,794,522.88
5. Step 5: Solve for x
   x = 69,906,550,794,522.88/12,754,923.78
6. Step 6: Final answer
   x = 5,480,750.18