Finding the Fourth Proportional to 163,468.72, 245,196.42 and 56,877.07

Step by Step Solution

1. Step 1: Write the proportion equation
   163,468.72 : 245,196.42 = 56,877.07 : x
2. Step 2: Convert to fraction form
   163,468.72/245,196.42 = 56,877.07/x
3. Step 3: Cross multiply
   163,468.72x = 245,196.42 × 56,877.07
4. Step 4: Simplify right side
   163,468.72x = 13,946,053,944.09
5. Step 5: Solve for x
   x = 13,946,053,944.09/163,468.72
6. Step 6: Final answer
   x = 85,313.29