Finding the Fourth Proportional to 194,026.88, 290,438.82 and 105,059.72

Step by Step Solution

1. Step 1: Write the proportion equation
   194,026.88 : 290,438.82 = 105,059.72 : x
2. Step 2: Convert to fraction form
   194,026.88/290,438.82 = 105,059.72/x
3. Step 3: Cross multiply
   194,026.88x = 290,438.82 × 105,059.72
4. Step 4: Simplify right side
   194,026.88x = 30,513,421,106.33
5. Step 5: Solve for x
   x = 30,513,421,106.33/194,026.88
6. Step 6: Final answer
   x = 157,263.89