Finding the Fourth Proportional to 99,029.82, 136,714.25 and 76,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,029.82 : 136,714.25 = 76,485.50 : x
2. Step 2: Convert to fraction form
   99,029.82/136,714.25 = 76,485.50/x
3. Step 3: Cross multiply
   99,029.82x = 136,714.25 × 76,485.50
4. Step 4: Simplify right side
   99,029.82x = 10,456,657,768.38
5. Step 5: Solve for x
   x = 10,456,657,768.38/99,029.82
6. Step 6: Final answer
   x = 105,591.00