Finding the Fourth Proportional to 93,105.98, 128,463.86 and 54,867.10

Step by Step Solution

1. Step 1: Write the proportion equation
   93,105.98 : 128,463.86 = 54,867.10 : x
2. Step 2: Convert to fraction form
   93,105.98/128,463.86 = 54,867.10/x
3. Step 3: Cross multiply
   93,105.98x = 128,463.86 × 54,867.10
4. Step 4: Simplify right side
   93,105.98x = 7,048,439,453.01
5. Step 5: Solve for x
   x = 7,048,439,453.01/93,105.98
6. Step 6: Final answer
   x = 75,703.40