Finding the Fourth Proportional to 89,094.40, 122,807.52 and 60,405.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,094.40 : 122,807.52 = 60,405.28 : x
2. Step 2: Convert to fraction form
   89,094.40/122,807.52 = 60,405.28/x
3. Step 3: Cross multiply
   89,094.40x = 122,807.52 × 60,405.28
4. Step 4: Simplify right side
   89,094.40x = 7,418,222,631.71
5. Step 5: Solve for x
   x = 7,418,222,631.71/89,094.40
6. Step 6: Final answer
   x = 83,262.50