Finding the Fourth Proportional to 91,507.11, 137,060.72 and 38,036.98

Step by Step Solution

1. Step 1: Write the proportion equation
   91,507.11 : 137,060.72 = 38,036.98 : x
2. Step 2: Convert to fraction form
   91,507.11/137,060.72 = 38,036.98/x
3. Step 3: Cross multiply
   91,507.11x = 137,060.72 × 38,036.98
4. Step 4: Simplify right side
   91,507.11x = 5,213,375,865.43
5. Step 5: Solve for x
   x = 5,213,375,865.43/91,507.11
6. Step 6: Final answer
   x = 56,972.36