Finding the Fourth Proportional to 42,090.22, 58,084.84 and 22,970.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,090.22 : 58,084.84 = 22,970.14 : x
2. Step 2: Convert to fraction form
   42,090.22/58,084.84 = 22,970.14/x
3. Step 3: Cross multiply
   42,090.22x = 58,084.84 × 22,970.14
4. Step 4: Simplify right side
   42,090.22x = 1,334,216,906.68
5. Step 5: Solve for x
   x = 1,334,216,906.68/42,090.22
6. Step 6: Final answer
   x = 31,698.98