Finding the Fourth Proportional to 92,849.69, 139,258.05 and 42,236.93

Step by Step Solution

1. Step 1: Write the proportion equation
   92,849.69 : 139,258.05 = 42,236.93 : x
2. Step 2: Convert to fraction form
   92,849.69/139,258.05 = 42,236.93/x
3. Step 3: Cross multiply
   92,849.69x = 139,258.05 × 42,236.93
4. Step 4: Simplify right side
   92,849.69x = 5,881,831,813.50
5. Step 5: Solve for x
   x = 5,881,831,813.50/92,849.69
6. Step 6: Final answer
   x = 63,347.89