Finding the Fourth Proportional to 70,849.10, 106,157 and 49,503.98

Step by Step Solution

1. Step 1: Write the proportion equation
   70,849.10 : 106,157 = 49,503.98 : x
2. Step 2: Convert to fraction form
   70,849.10/106,157 = 49,503.98/x
3. Step 3: Cross multiply
   70,849.10x = 106,157 × 49,503.98
4. Step 4: Simplify right side
   70,849.10x = 5,255,194,004.86
5. Step 5: Solve for x
   x = 5,255,194,004.86/70,849.10
6. Step 6: Final answer
   x = 74,174.46