Finding the Fourth Proportional to 342,007.37, 513,066.18 and 105,349.82

Step by Step Solution

1. Step 1: Write the proportion equation
   342,007.37 : 513,066.18 = 105,349.82 : x
2. Step 2: Convert to fraction form
   342,007.37/513,066.18 = 105,349.82/x
3. Step 3: Cross multiply
   342,007.37x = 513,066.18 × 105,349.82
4. Step 4: Simplify right side
   342,007.37x = 54,051,429,711.09
5. Step 5: Solve for x
   x = 54,051,429,711.09/342,007.37
6. Step 6: Final answer
   x = 158,041.71