Finding the Fourth Proportional to 101,514.57, 140,091.34 and 56,196.74

Step by Step Solution

1. Step 1: Write the proportion equation
   101,514.57 : 140,091.34 = 56,196.74 : x
2. Step 2: Convert to fraction form
   101,514.57/140,091.34 = 56,196.74/x
3. Step 3: Cross multiply
   101,514.57x = 140,091.34 × 56,196.74
4. Step 4: Simplify right side
   101,514.57x = 7,872,675,979.02
5. Step 5: Solve for x
   x = 7,872,675,979.02/101,514.57
6. Step 6: Final answer
   x = 77,552.18