Finding the Fourth Proportional to 311,951,156.34, 430,357,066.29 and 188,123,021.94

Step by Step Solution

1. Step 1: Write the proportion equation
   311,951,156.34 : 430,357,066.29 = 188,123,021.94 : x
2. Step 2: Convert to fraction form
   311,951,156.34/430,357,066.29 = 188,123,021.94/x
3. Step 3: Cross multiply
   311,951,156.34x = 430,357,066.29 × 188,123,021.94
4. Step 4: Simplify right side
   311,951,156.34x = 80,960,071,823,707,712
5. Step 5: Solve for x
   x = 80,960,071,823,707,712/311,951,156.34
6. Step 6: Final answer
   x = 259,528,038.86