Finding the Fourth Proportional to 76,354.34, 105,365.42 and 42,362.47

Step by Step Solution

1. Step 1: Write the proportion equation
   76,354.34 : 105,365.42 = 42,362.47 : x
2. Step 2: Convert to fraction form
   76,354.34/105,365.42 = 42,362.47/x
3. Step 3: Cross multiply
   76,354.34x = 105,365.42 × 42,362.47
4. Step 4: Simplify right side
   76,354.34x = 4,463,538,916.96
5. Step 5: Solve for x
   x = 4,463,538,916.96/76,354.34
6. Step 6: Final answer
   x = 58,458.22