Finding the Fourth Proportional to 93,128.00, 139,691.79 and 33,939.47

Step by Step Solution

1. Step 1: Write the proportion equation
   93,128.00 : 139,691.79 = 33,939.47 : x
2. Step 2: Convert to fraction form
   93,128.00/139,691.79 = 33,939.47/x
3. Step 3: Cross multiply
   93,128.00x = 139,691.79 × 33,939.47
4. Step 4: Simplify right side
   93,128.00x = 4,741,065,665.18
5. Step 5: Solve for x
   x = 4,741,065,665.18/93,128.00
6. Step 6: Final answer
   x = 50,909.13