Finding the Fourth Proportional to 42,090.96, 58,085.16 and 22,971.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,090.96 : 58,085.16 = 22,971.12 : x
2. Step 2: Convert to fraction form
   42,090.96/58,085.16 = 22,971.12/x
3. Step 3: Cross multiply
   42,090.96x = 58,085.16 × 22,971.12
4. Step 4: Simplify right side
   42,090.96x = 1,334,281,180.58
5. Step 5: Solve for x
   x = 1,334,281,180.58/42,090.96
6. Step 6: Final answer
   x = 31,699.95