Finding the Fourth Proportional to 70,475.91, 105,523.17 and 51,613.04

Step by Step Solution

1. Step 1: Write the proportion equation
   70,475.91 : 105,523.17 = 51,613.04 : x
2. Step 2: Convert to fraction form
   70,475.91/105,523.17 = 51,613.04/x
3. Step 3: Cross multiply
   70,475.91x = 105,523.17 × 51,613.04
4. Step 4: Simplify right side
   70,475.91x = 5,446,371,066.52
5. Step 5: Solve for x
   x = 5,446,371,066.52/70,475.91
6. Step 6: Final answer
   x = 77,279.90