Finding the Fourth Proportional to 1,105,748.05, 1,658,620.69 and 347,655.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,748.05 : 1,658,620.69 = 347,655.72 : x
2. Step 2: Convert to fraction form
   1,105,748.05/1,658,620.69 = 347,655.72/x
3. Step 3: Cross multiply
   1,105,748.05x = 1,658,620.69 × 347,655.72
4. Step 4: Simplify right side
   1,105,748.05x = 576,628,970,188.85
5. Step 5: Solve for x
   x = 576,628,970,188.85/1,105,748.05
6. Step 6: Final answer
   x = 521,483.14