Finding the Fourth Proportional to 140,887.82, 194,429.94 and 77,225.60

Step by Step Solution

1. Step 1: Write the proportion equation
   140,887.82 : 194,429.94 = 77,225.60 : x
2. Step 2: Convert to fraction form
   140,887.82/194,429.94 = 77,225.60/x
3. Step 3: Cross multiply
   140,887.82x = 194,429.94 × 77,225.60
4. Step 4: Simplify right side
   140,887.82x = 15,014,968,774.46
5. Step 5: Solve for x
   x = 15,014,968,774.46/140,887.82
6. Step 6: Final answer
   x = 106,573.93