Finding the Fourth Proportional to 42,097.28, 58,094.52 and 22,978.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,097.28 : 58,094.52 = 22,978.40 : x
2. Step 2: Convert to fraction form
   42,097.28/58,094.52 = 22,978.40/x
3. Step 3: Cross multiply
   42,097.28x = 58,094.52 × 22,978.40
4. Step 4: Simplify right side
   42,097.28x = 1,334,919,118.37
5. Step 5: Solve for x
   x = 1,334,919,118.37/42,097.28
6. Step 6: Final answer
   x = 31,710.34