Finding the Fourth Proportional to 309,612,599.34, 427,169,182.50 and 175,628,450.04

Step by Step Solution

1. Step 1: Write the proportion equation
   309,612,599.34 : 427,169,182.50 = 175,628,450.04 : x
2. Step 2: Convert to fraction form
   309,612,599.34/427,169,182.50 = 175,628,450.04/x
3. Step 3: Cross multiply
   309,612,599.34x = 427,169,182.50 × 175,628,450.04
4. Step 4: Simplify right side
   309,612,599.34x = 75,023,061,427,328,896
5. Step 5: Solve for x
   x = 75,023,061,427,328,896/309,612,599.34
6. Step 6: Final answer
   x = 242,312,688.78