Finding the Fourth Proportional to 101,507.52, 140,076.79 and 56,185.59

Step by Step Solution

1. Step 1: Write the proportion equation
   101,507.52 : 140,076.79 = 56,185.59 : x
2. Step 2: Convert to fraction form
   101,507.52/140,076.79 = 56,185.59/x
3. Step 3: Cross multiply
   101,507.52x = 140,076.79 × 56,185.59
4. Step 4: Simplify right side
   101,507.52x = 7,870,297,091.46
5. Step 5: Solve for x
   x = 7,870,297,091.46/101,507.52
6. Step 6: Final answer
   x = 77,534.13