Finding the Fourth Proportional to 91,338.30, 137,026.62 and 38,746.62

Step by Step Solution

1. Step 1: Write the proportion equation
   91,338.30 : 137,026.62 = 38,746.62 : x
2. Step 2: Convert to fraction form
   91,338.30/137,026.62 = 38,746.62/x
3. Step 3: Cross multiply
   91,338.30x = 137,026.62 × 38,746.62
4. Step 4: Simplify right side
   91,338.30x = 5,309,318,375.02
5. Step 5: Solve for x
   x = 5,309,318,375.02/91,338.30
6. Step 6: Final answer
   x = 58,128.06