Finding the Fourth Proportional to 31,091,100.56, 42,905,794.92 and 17,340,955.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,091,100.56 : 42,905,794.92 = 17,340,955.28 : x
2. Step 2: Convert to fraction form
   31,091,100.56/42,905,794.92 = 17,340,955.28/x
3. Step 3: Cross multiply
   31,091,100.56x = 42,905,794.92 × 17,340,955.28
4. Step 4: Simplify right side
   31,091,100.56x = 744,027,470,960,571.25
5. Step 5: Solve for x
   x = 744,027,470,960,571.25/31,091,100.56
6. Step 6: Final answer
   x = 23,930,560.76