Finding the Fourth Proportional to 42,019.93, 57,986.72 and 22,899.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,019.93 : 57,986.72 = 22,899.86 : x
2. Step 2: Convert to fraction form
   42,019.93/57,986.72 = 22,899.86/x
3. Step 3: Cross multiply
   42,019.93x = 57,986.72 × 22,899.86
4. Step 4: Simplify right side
   42,019.93x = 1,327,887,479.93
5. Step 5: Solve for x
   x = 1,327,887,479.93/42,019.93
6. Step 6: Final answer
   x = 31,601.38