Finding the Fourth Proportional to 31,058,655.12, 42,862,861.67 and 17,119,978.79

Step by Step Solution

1. Step 1: Write the proportion equation
   31,058,655.12 : 42,862,861.67 = 17,119,978.79 : x
2. Step 2: Convert to fraction form
   31,058,655.12/42,862,861.67 = 17,119,978.79/x
3. Step 3: Cross multiply
   31,058,655.12x = 42,862,861.67 × 17,119,978.79
4. Step 4: Simplify right side
   31,058,655.12x = 733,811,282,369,189.75
5. Step 5: Solve for x
   x = 733,811,282,369,189.75/31,058,655.12
6. Step 6: Final answer
   x = 23,626,627.73