Finding the Fourth Proportional to 342,469.32, 513,707.52 and 152,939.34

Step by Step Solution

1. Step 1: Write the proportion equation
   342,469.32 : 513,707.52 = 152,939.34 : x
2. Step 2: Convert to fraction form
   342,469.32/513,707.52 = 152,939.34/x
3. Step 3: Cross multiply
   342,469.32x = 513,707.52 × 152,939.34
4. Step 4: Simplify right side
   342,469.32x = 78,566,089,061.84
5. Step 5: Solve for x
   x = 78,566,089,061.84/342,469.32
6. Step 6: Final answer
   x = 229,410.59