Finding the Fourth Proportional to 101,467.98, 140,025.98 and 56,147.87

Step by Step Solution

1. Step 1: Write the proportion equation
   101,467.98 : 140,025.98 = 56,147.87 : x
2. Step 2: Convert to fraction form
   101,467.98/140,025.98 = 56,147.87/x
3. Step 3: Cross multiply
   101,467.98x = 140,025.98 × 56,147.87
4. Step 4: Simplify right side
   101,467.98x = 7,862,159,540.79
5. Step 5: Solve for x
   x = 7,862,159,540.79/101,467.98
6. Step 6: Final answer
   x = 77,484.14