Finding the Fourth Proportional to 89,139.69, 123,013.71 and 48,852.57

Step by Step Solution

1. Step 1: Write the proportion equation
   89,139.69 : 123,013.71 = 48,852.57 : x
2. Step 2: Convert to fraction form
   89,139.69/123,013.71 = 48,852.57/x
3. Step 3: Cross multiply
   89,139.69x = 123,013.71 × 48,852.57
4. Step 4: Simplify right side
   89,139.69x = 6,009,535,263.67
5. Step 5: Solve for x
   x = 6,009,535,263.67/89,139.69
6. Step 6: Final answer
   x = 67,417.06