Finding the Fourth Proportional to 5,157,665.79, 7,117,288.90 and 3,091,647.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,157,665.79 : 7,117,288.90 = 3,091,647.59 : x
2. Step 2: Convert to fraction form
   5,157,665.79/7,117,288.90 = 3,091,647.59/x
3. Step 3: Cross multiply
   5,157,665.79x = 7,117,288.90 × 3,091,647.59
4. Step 4: Simplify right side
   5,157,665.79x = 22,004,149,058,393.02
5. Step 5: Solve for x
   x = 22,004,149,058,393.02/5,157,665.79
6. Step 6: Final answer
   x = 4,266,299.91