Finding the Fourth Proportional to 42,021.48, 57,988.17 and 22,900.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,021.48 : 57,988.17 = 22,900.86 : x
2. Step 2: Convert to fraction form
   42,021.48/57,988.17 = 22,900.86/x
3. Step 3: Cross multiply
   42,021.48x = 57,988.17 × 22,900.86
4. Step 4: Simplify right side
   42,021.48x = 1,327,978,962.83
5. Step 5: Solve for x
   x = 1,327,978,962.83/42,021.48
6. Step 6: Final answer
   x = 31,602.38