Finding the Fourth Proportional to 101,507.02, 140,076.10 and 56,185.09

Step by Step Solution

1. Step 1: Write the proportion equation
   101,507.02 : 140,076.10 = 56,185.09 : x
2. Step 2: Convert to fraction form
   101,507.02/140,076.10 = 56,185.09/x
3. Step 3: Cross multiply
   101,507.02x = 140,076.10 × 56,185.09
4. Step 4: Simplify right side
   101,507.02x = 7,870,188,285.35
5. Step 5: Solve for x
   x = 7,870,188,285.35/101,507.02
6. Step 6: Final answer
   x = 77,533.44