Finding the Fourth Proportional to 56,196.72, 83,819.48 and 48,741.89

Step by Step Solution

1. Step 1: Write the proportion equation
   56,196.72 : 83,819.48 = 48,741.89 : x
2. Step 2: Convert to fraction form
   56,196.72/83,819.48 = 48,741.89/x
3. Step 3: Cross multiply
   56,196.72x = 83,819.48 × 48,741.89
4. Step 4: Simplify right side
   56,196.72x = 4,085,519,211.21
5. Step 5: Solve for x
   x = 4,085,519,211.21/56,196.72
6. Step 6: Final answer
   x = 72,700.31