Finding the Fourth Proportional to 91,843.04, 137,633.12 and 52,318.52

Step by Step Solution

1. Step 1: Write the proportion equation
   91,843.04 : 137,633.12 = 52,318.52 : x
2. Step 2: Convert to fraction form
   91,843.04/137,633.12 = 52,318.52/x
3. Step 3: Cross multiply
   91,843.04x = 137,633.12 × 52,318.52
4. Step 4: Simplify right side
   91,843.04x = 7,200,761,141.38
5. Step 5: Solve for x
   x = 7,200,761,141.38/91,843.04
6. Step 6: Final answer
   x = 78,402.91