Finding the Fourth Proportional to 733,309,200.34, 1,014,631,484.64 and 639,419,131.42

Step by Step Solution

1. Step 1: Write the proportion equation
   733,309,200.34 : 1,014,631,484.64 = 639,419,131.42 : x
2. Step 2: Convert to fraction form
   733,309,200.34/1,014,631,484.64 = 639,419,131.42/x
3. Step 3: Cross multiply
   733,309,200.34x = 1,014,631,484.64 × 639,419,131.42
4. Step 4: Simplify right side
   733,309,200.34x = 648,774,782,619,893,760
5. Step 5: Solve for x
   x = 648,774,782,619,893,760/733,309,200.34
6. Step 6: Final answer
   x = 884,722,000.38