Finding the Fourth Proportional to 42,404.60, 58,536.78 and 27,505.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,404.60 : 58,536.78 = 27,505.40 : x
2. Step 2: Convert to fraction form
   42,404.60/58,536.78 = 27,505.40/x
3. Step 3: Cross multiply
   42,404.60x = 58,536.78 × 27,505.40
4. Step 4: Simplify right side
   42,404.60x = 1,610,077,548.61
5. Step 5: Solve for x
   x = 1,610,077,548.61/42,404.60
6. Step 6: Final answer
   x = 37,969.41