Finding the Fourth Proportional to 42,089.96, 58,083.78 and 22,970.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,089.96 : 58,083.78 = 22,970.12 : x
2. Step 2: Convert to fraction form
   42,089.96/58,083.78 = 22,970.12/x
3. Step 3: Cross multiply
   42,089.96x = 58,083.78 × 22,970.12
4. Step 4: Simplify right side
   42,089.96x = 1,334,191,192.37
5. Step 5: Solve for x
   x = 1,334,191,192.37/42,089.96
6. Step 6: Final answer
   x = 31,698.56