Finding the Fourth Proportional to 91,875.80, 126,801.72 and 51,592.31

Step by Step Solution

1. Step 1: Write the proportion equation
   91,875.80 : 126,801.72 = 51,592.31 : x
2. Step 2: Convert to fraction form
   91,875.80/126,801.72 = 51,592.31/x
3. Step 3: Cross multiply
   91,875.80x = 126,801.72 × 51,592.31
4. Step 4: Simplify right side
   91,875.80x = 6,541,993,488.27
5. Step 5: Solve for x
   x = 6,541,993,488.27/91,875.80
6. Step 6: Final answer
   x = 71,204.75