Finding the Fourth Proportional to 42,092.21, 58,085.42 and 22,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,092.21 : 58,085.42 = 22,971.50 : x
2. Step 2: Convert to fraction form
   42,092.21/58,085.42 = 22,971.50/x
3. Step 3: Cross multiply
   42,092.21x = 58,085.42 × 22,971.50
4. Step 4: Simplify right side
   42,092.21x = 1,334,309,225.53
5. Step 5: Solve for x
   x = 1,334,309,225.53/42,092.21
6. Step 6: Final answer
   x = 31,699.67