Finding the Fourth Proportional to 94,111.04, 140,829.72 and 81,504.48

Step by Step Solution

1. Step 1: Write the proportion equation
   94,111.04 : 140,829.72 = 81,504.48 : x
2. Step 2: Convert to fraction form
   94,111.04/140,829.72 = 81,504.48/x
3. Step 3: Cross multiply
   94,111.04x = 140,829.72 × 81,504.48
4. Step 4: Simplify right side
   94,111.04x = 11,478,253,097.15
5. Step 5: Solve for x
   x = 11,478,253,097.15/94,111.04
6. Step 6: Final answer
   x = 121,965.00