Finding the Fourth Proportional to 31,091,793.23, 42,906,434.91 and 17,153,735.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,091,793.23 : 42,906,434.91 = 17,153,735.75 : x
2. Step 2: Convert to fraction form
   31,091,793.23/42,906,434.91 = 17,153,735.75/x
3. Step 3: Cross multiply
   31,091,793.23x = 42,906,434.91 × 17,153,735.75
4. Step 4: Simplify right side
   31,091,793.23x = 736,005,646,206,182.88
5. Step 5: Solve for x
   x = 736,005,646,206,182.88/31,091,793.23
6. Step 6: Final answer
   x = 23,672,023.06