Finding the Fourth Proportional to 91,493, 137,171.72 and 43,437.84

Step by Step Solution

1. Step 1: Write the proportion equation
   91,493 : 137,171.72 = 43,437.84 : x
2. Step 2: Convert to fraction form
   91,493/137,171.72 = 43,437.84/x
3. Step 3: Cross multiply
   91,493x = 137,171.72 × 43,437.84
4. Step 4: Simplify right side
   91,493x = 5,958,443,225.88
5. Step 5: Solve for x
   x = 5,958,443,225.88/91,493
6. Step 6: Final answer
   x = 65,124.58