Finding the Fourth Proportional to 535,240,752.82, 737,256,016.47 and 378,338,111.98

Step by Step Solution

1. Step 1: Write the proportion equation
   535,240,752.82 : 737,256,016.47 = 378,338,111.98 : x
2. Step 2: Convert to fraction form
   535,240,752.82/737,256,016.47 = 378,338,111.98/x
3. Step 3: Cross multiply
   535,240,752.82x = 737,256,016.47 × 378,338,111.98
4. Step 4: Simplify right side
   535,240,752.82x = 278,932,049,317,155,616
5. Step 5: Solve for x
   x = 278,932,049,317,155,616/535,240,752.82
6. Step 6: Final answer
   x = 521,133,803.52