Finding the Fourth Proportional to 173,843,123.30, 243,738,690.70 and 173,843,123.30

Step by Step Solution

1. Step 1: Write the proportion equation
   173,843,123.30 : 243,738,690.70 = 173,843,123.30 : x
2. Step 2: Convert to fraction form
   173,843,123.30/243,738,690.70 = 173,843,123.30/x
3. Step 3: Cross multiply
   173,843,123.30x = 243,738,690.70 × 173,843,123.30
4. Step 4: Simplify right side
   173,843,123.30x = 42,372,295,260,340,664
5. Step 5: Solve for x
   x = 42,372,295,260,340,664/173,843,123.30
6. Step 6: Final answer
   x = 243,738,690.70