Finding the Fourth Proportional to 88,262.23, 121,804.25 and 47,978.71

Step by Step Solution

1. Step 1: Write the proportion equation
   88,262.23 : 121,804.25 = 47,978.71 : x
2. Step 2: Convert to fraction form
   88,262.23/121,804.25 = 47,978.71/x
3. Step 3: Cross multiply
   88,262.23x = 121,804.25 × 47,978.71
4. Step 4: Simplify right side
   88,262.23x = 5,844,010,787.52
5. Step 5: Solve for x
   x = 5,844,010,787.52/88,262.23
6. Step 6: Final answer
   x = 66,211.91