Finding the Fourth Proportional to 101,826.03, 140,536.71 and 56,518.65

Step by Step Solution

1. Step 1: Write the proportion equation
   101,826.03 : 140,536.71 = 56,518.65 : x
2. Step 2: Convert to fraction form
   101,826.03/140,536.71 = 56,518.65/x
3. Step 3: Cross multiply
   101,826.03x = 140,536.71 × 56,518.65
4. Step 4: Simplify right side
   101,826.03x = 7,942,945,124.64
5. Step 5: Solve for x
   x = 7,942,945,124.64/101,826.03
6. Step 6: Final answer
   x = 78,005.06