Finding the Fourth Proportional to 12,905,601.97, 19,358,316.83 and 5,229,133.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,905,601.97 : 19,358,316.83 = 5,229,133.55 : x
2. Step 2: Convert to fraction form
   12,905,601.97/19,358,316.83 = 5,229,133.55/x
3. Step 3: Cross multiply
   12,905,601.97x = 19,358,316.83 × 5,229,133.55
4. Step 4: Simplify right side
   12,905,601.97x = 101,227,224,042,605.61
5. Step 5: Solve for x
   x = 101,227,224,042,605.61/12,905,601.97
6. Step 6: Final answer
   x = 7,843,665.43