Finding the Fourth Proportional to 194,791.10, 291,985.05 and 105,856.70

Step by Step Solution

1. Step 1: Write the proportion equation
   194,791.10 : 291,985.05 = 105,856.70 : x
2. Step 2: Convert to fraction form
   194,791.10/291,985.05 = 105,856.70/x
3. Step 3: Cross multiply
   194,791.10x = 291,985.05 × 105,856.70
4. Step 4: Simplify right side
   194,791.10x = 30,908,573,842.34
5. Step 5: Solve for x
   x = 30,908,573,842.34/194,791.10
6. Step 6: Final answer
   x = 158,675.49