Finding the Fourth Proportional to 945,554.72, 1,417,917.04 and 354,164

Step by Step Solution

1. Step 1: Write the proportion equation
   945,554.72 : 1,417,917.04 = 354,164 : x
2. Step 2: Convert to fraction form
   945,554.72/1,417,917.04 = 354,164/x
3. Step 3: Cross multiply
   945,554.72x = 1,417,917.04 × 354,164
4. Step 4: Simplify right side
   945,554.72x = 502,175,170,554.56
5. Step 5: Solve for x
   x = 502,175,170,554.56/945,554.72
6. Step 6: Final answer
   x = 531,090.54