Finding the Fourth Proportional to 92,233.09, 138,365.43 and 42,317.48

Step by Step Solution

1. Step 1: Write the proportion equation
   92,233.09 : 138,365.43 = 42,317.48 : x
2. Step 2: Convert to fraction form
   92,233.09/138,365.43 = 42,317.48/x
3. Step 3: Cross multiply
   92,233.09x = 138,365.43 × 42,317.48
4. Step 4: Simplify right side
   92,233.09x = 5,855,276,316.72
5. Step 5: Solve for x
   x = 5,855,276,316.72/92,233.09
6. Step 6: Final answer
   x = 63,483.47