Finding the Fourth Proportional to 12,745,640.79, 19,118,443.83 and 5,918,480.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,745,640.79 : 19,118,443.83 = 5,918,480.76 : x
2. Step 2: Convert to fraction form
   12,745,640.79/19,118,443.83 = 5,918,480.76/x
3. Step 3: Cross multiply
   12,745,640.79x = 19,118,443.83 × 5,918,480.76
4. Step 4: Simplify right side
   12,745,640.79x = 113,152,141,968,995.70
5. Step 5: Solve for x
   x = 113,152,141,968,995.70/12,745,640.79
6. Step 6: Final answer
   x = 8,877,713.08