Finding the Fourth Proportional to 56,009.92, 83,998.56 and 46,124.80

Step by Step Solution

1. Step 1: Write the proportion equation
   56,009.92 : 83,998.56 = 46,124.80 : x
2. Step 2: Convert to fraction form
   56,009.92/83,998.56 = 46,124.80/x
3. Step 3: Cross multiply
   56,009.92x = 83,998.56 × 46,124.80
4. Step 4: Simplify right side
   56,009.92x = 3,874,416,780.29
5. Step 5: Solve for x
   x = 3,874,416,780.29/56,009.92
6. Step 6: Final answer
   x = 69,173.76