Finding the Fourth Proportional to 342,122,630.83, 472,518,931.76 and 231,923,025.07

Step by Step Solution

1. Step 1: Write the proportion equation
   342,122,630.83 : 472,518,931.76 = 231,923,025.07 : x
2. Step 2: Convert to fraction form
   342,122,630.83/472,518,931.76 = 231,923,025.07/x
3. Step 3: Cross multiply
   342,122,630.83x = 472,518,931.76 × 231,923,025.07
4. Step 4: Simplify right side
   342,122,630.83x = 109,588,020,056,624,096
5. Step 5: Solve for x
   x = 109,588,020,056,624,096/342,122,630.83
6. Step 6: Final answer
   x = 320,317,950.88