Finding the Fourth Proportional to 93,200.37, 128,572.52 and 62,996.23

Step by Step Solution

1. Step 1: Write the proportion equation
   93,200.37 : 128,572.52 = 62,996.23 : x
2. Step 2: Convert to fraction form
   93,200.37/128,572.52 = 62,996.23/x
3. Step 3: Cross multiply
   93,200.37x = 128,572.52 × 62,996.23
4. Step 4: Simplify right side
   93,200.37x = 8,099,583,887.33
5. Step 5: Solve for x
   x = 8,099,583,887.33/93,200.37
6. Step 6: Final answer
   x = 86,905.06