Finding the Fourth Proportional to 93,285.48, 128,727.72 and 55,043.04

Step by Step Solution

1. Step 1: Write the proportion equation
   93,285.48 : 128,727.72 = 55,043.04 : x
2. Step 2: Convert to fraction form
   93,285.48/128,727.72 = 55,043.04/x
3. Step 3: Cross multiply
   93,285.48x = 128,727.72 × 55,043.04
4. Step 4: Simplify right side
   93,285.48x = 7,085,565,041.07
5. Step 5: Solve for x
   x = 7,085,565,041.07/93,285.48
6. Step 6: Final answer
   x = 75,955.71