Finding the Fourth Proportional to 978,530,240.72, 1,350,371,924.52 and 538,497,092.72

Step by Step Solution

1. Step 1: Write the proportion equation
   978,530,240.72 : 1,350,371,924.52 = 538,497,092.72 : x
2. Step 2: Convert to fraction form
   978,530,240.72/1,350,371,924.52 = 538,497,092.72/x
3. Step 3: Cross multiply
   978,530,240.72x = 1,350,371,924.52 × 538,497,092.72
4. Step 4: Simplify right side
   978,530,240.72x = 727,171,355,444,731,264
5. Step 5: Solve for x
   x = 727,171,355,444,731,264/978,530,240.72
6. Step 6: Final answer
   x = 743,126,093.79