Finding the Fourth Proportional to 101,725.92, 140,378.00 and 56,404.71

Step by Step Solution

1. Step 1: Write the proportion equation
   101,725.92 : 140,378.00 = 56,404.71 : x
2. Step 2: Convert to fraction form
   101,725.92/140,378.00 = 56,404.71/x
3. Step 3: Cross multiply
   101,725.92x = 140,378.00 × 56,404.71
4. Step 4: Simplify right side
   101,725.92x = 7,917,980,098.36
5. Step 5: Solve for x
   x = 7,917,980,098.36/101,725.92
6. Step 6: Final answer
   x = 77,836.41