Finding the Fourth Proportional to 194,713.98, 291,774.51 and 144,558.78

Step by Step Solution

1. Step 1: Write the proportion equation
   194,713.98 : 291,774.51 = 144,558.78 : x
2. Step 2: Convert to fraction form
   194,713.98/291,774.51 = 144,558.78/x
3. Step 3: Cross multiply
   194,713.98x = 291,774.51 × 144,558.78
4. Step 4: Simplify right side
   194,713.98x = 42,178,567,200.70
5. Step 5: Solve for x
   x = 42,178,567,200.70/194,713.98
6. Step 6: Final answer
   x = 216,618.07