Finding the Fourth Proportional to 101,822.18, 140,514.35 and 56,507.00

Step by Step Solution

1. Step 1: Write the proportion equation
   101,822.18 : 140,514.35 = 56,507.00 : x
2. Step 2: Convert to fraction form
   101,822.18/140,514.35 = 56,507.00/x
3. Step 3: Cross multiply
   101,822.18x = 140,514.35 × 56,507.00
4. Step 4: Simplify right side
   101,822.18x = 7,940,043,390.34
5. Step 5: Solve for x
   x = 7,940,043,390.34/101,822.18
6. Step 6: Final answer
   x = 77,979.51