Finding the Fourth Proportional to 101,870.10, 140,565.72 and 56,548.44

Step by Step Solution

1. Step 1: Write the proportion equation
   101,870.10 : 140,565.72 = 56,548.44 : x
2. Step 2: Convert to fraction form
   101,870.10/140,565.72 = 56,548.44/x
3. Step 3: Cross multiply
   101,870.10x = 140,565.72 × 56,548.44
4. Step 4: Simplify right side
   101,870.10x = 7,948,772,183.48
5. Step 5: Solve for x
   x = 7,948,772,183.48/101,870.10
6. Step 6: Final answer
   x = 78,028.51