Finding the Fourth Proportional to 291,721.46, 437,582.12 and 70,105.46

Step by Step Solution

1. Step 1: Write the proportion equation
   291,721.46 : 437,582.12 = 70,105.46 : x
2. Step 2: Convert to fraction form
   291,721.46/437,582.12 = 70,105.46/x
3. Step 3: Cross multiply
   291,721.46x = 437,582.12 × 70,105.46
4. Step 4: Simplify right side
   291,721.46x = 30,676,895,810.38
5. Step 5: Solve for x
   x = 30,676,895,810.38/291,721.46
6. Step 6: Final answer
   x = 105,158.17