Finding the Fourth Proportional to 10,047.42, 15,070.68 and 4,784.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.42 : 15,070.68 = 4,784.94 : x
2. Step 2: Convert to fraction form
   10,047.42/15,070.68 = 4,784.94/x
3. Step 3: Cross multiply
   10,047.42x = 15,070.68 × 4,784.94
4. Step 4: Simplify right side
   10,047.42x = 72,112,299.56
5. Step 5: Solve for x
   x = 72,112,299.56/10,047.42
6. Step 6: Final answer
   x = 7,177.20