Finding the Fourth Proportional to 42,090.68, 58,085.48 and 22,970.61

Step by Step Solution

1. Step 1: Write the proportion equation
   42,090.68 : 58,085.48 = 22,970.61 : x
2. Step 2: Convert to fraction form
   42,090.68/58,085.48 = 22,970.61/x
3. Step 3: Cross multiply
   42,090.68x = 58,085.48 × 22,970.61
4. Step 4: Simplify right side
   42,090.68x = 1,334,258,965.17
5. Step 5: Solve for x
   x = 1,334,258,965.17/42,090.68
6. Step 6: Final answer
   x = 31,699.63