Finding the Fourth Proportional to 212,561.39, 293,347.98 and 117,068.06

Step by Step Solution

1. Step 1: Write the proportion equation
   212,561.39 : 293,347.98 = 117,068.06 : x
2. Step 2: Convert to fraction form
   212,561.39/293,347.98 = 117,068.06/x
3. Step 3: Cross multiply
   212,561.39x = 293,347.98 × 117,068.06
4. Step 4: Simplify right side
   212,561.39x = 34,341,678,923.52
5. Step 5: Solve for x
   x = 34,341,678,923.52/212,561.39
6. Step 6: Final answer
   x = 161,561.23