Finding the Fourth Proportional to 93,094.67, 128,067.50 and 81,557.62

Step by Step Solution

1. Step 1: Write the proportion equation
   93,094.67 : 128,067.50 = 81,557.62 : x
2. Step 2: Convert to fraction form
   93,094.67/128,067.50 = 81,557.62/x
3. Step 3: Cross multiply
   93,094.67x = 128,067.50 × 81,557.62
4. Step 4: Simplify right side
   93,094.67x = 10,444,880,921.47
5. Step 5: Solve for x
   x = 10,444,880,921.47/93,094.67
6. Step 6: Final answer
   x = 112,196.34