Finding the Fourth Proportional to 60,815.67, 91,096.38 and 48,905.03

Step by Step Solution

1. Step 1: Write the proportion equation
   60,815.67 : 91,096.38 = 48,905.03 : x
2. Step 2: Convert to fraction form
   60,815.67/91,096.38 = 48,905.03/x
3. Step 3: Cross multiply
   60,815.67x = 91,096.38 × 48,905.03
4. Step 4: Simplify right side
   60,815.67x = 4,455,070,741.31
5. Step 5: Solve for x
   x = 4,455,070,741.31/60,815.67
6. Step 6: Final answer
   x = 73,255.31