Finding the Fourth Proportional to 287,995,141.49, 397,058,078.72 and 183,535,098.53

Step by Step Solution

1. Step 1: Write the proportion equation
   287,995,141.49 : 397,058,078.72 = 183,535,098.53 : x
2. Step 2: Convert to fraction form
   287,995,141.49/397,058,078.72 = 183,535,098.53/x
3. Step 3: Cross multiply
   287,995,141.49x = 397,058,078.72 × 183,535,098.53
4. Step 4: Simplify right side
   287,995,141.49x = 72,874,093,598,481,248
5. Step 5: Solve for x
   x = 72,874,093,598,481,248/287,995,141.49
6. Step 6: Final answer
   x = 253,039,315.95