Finding the Fourth Proportional to 413,648,048.96, 570,834,168.32 and 228,012,164.72

Step by Step Solution

1. Step 1: Write the proportion equation
   413,648,048.96 : 570,834,168.32 = 228,012,164.72 : x
2. Step 2: Convert to fraction form
   413,648,048.96/570,834,168.32 = 228,012,164.72/x
3. Step 3: Cross multiply
   413,648,048.96x = 570,834,168.32 × 228,012,164.72
4. Step 4: Simplify right side
   413,648,048.96x = 130,157,134,414,784,064
5. Step 5: Solve for x
   x = 130,157,134,414,784,064/413,648,048.96
6. Step 6: Final answer
   x = 314,656,710.56