Finding the Fourth Proportional to 42,090.96, 58,085.87 and 22,970.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,090.96 : 58,085.87 = 22,970.89 : x
2. Step 2: Convert to fraction form
   42,090.96/58,085.87 = 22,970.89/x
3. Step 3: Cross multiply
   42,090.96x = 58,085.87 × 22,970.89
4. Step 4: Simplify right side
   42,090.96x = 1,334,284,088.08
5. Step 5: Solve for x
   x = 1,334,284,088.08/42,090.96
6. Step 6: Final answer
   x = 31,700.01