Finding the Fourth Proportional to 91,429.39, 137,144.10 and 38,801.98

Step by Step Solution

1. Step 1: Write the proportion equation
   91,429.39 : 137,144.10 = 38,801.98 : x
2. Step 2: Convert to fraction form
   91,429.39/137,144.10 = 38,801.98/x
3. Step 3: Cross multiply
   91,429.39x = 137,144.10 × 38,801.98
4. Step 4: Simplify right side
   91,429.39x = 5,321,462,625.32
5. Step 5: Solve for x
   x = 5,321,462,625.32/91,429.39
6. Step 6: Final answer
   x = 58,202.98