Finding the Fourth Proportional to 212,384.72, 293,075.72 and 126,338.96

Step by Step Solution

1. Step 1: Write the proportion equation
   212,384.72 : 293,075.72 = 126,338.96 : x
2. Step 2: Convert to fraction form
   212,384.72/293,075.72 = 126,338.96/x
3. Step 3: Cross multiply
   212,384.72x = 293,075.72 × 126,338.96
4. Step 4: Simplify right side
   212,384.72x = 37,026,881,666.05
5. Step 5: Solve for x
   x = 37,026,881,666.05/212,384.72
6. Step 6: Final answer
   x = 174,338.73