Finding the Fourth Proportional to 99,796.31, 149,758.70 and 39,814.54

Step by Step Solution

1. Step 1: Write the proportion equation
   99,796.31 : 149,758.70 = 39,814.54 : x
2. Step 2: Convert to fraction form
   99,796.31/149,758.70 = 39,814.54/x
3. Step 3: Cross multiply
   99,796.31x = 149,758.70 × 39,814.54
4. Step 4: Simplify right side
   99,796.31x = 5,962,573,751.50
5. Step 5: Solve for x
   x = 5,962,573,751.50/99,796.31
6. Step 6: Final answer
   x = 59,747.44