Finding the Fourth Proportional to 91,641.10, 137,418.51 and 35,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,641.10 : 137,418.51 = 35,507.50 : x
2. Step 2: Convert to fraction form
   91,641.10/137,418.51 = 35,507.50/x
3. Step 3: Cross multiply
   91,641.10x = 137,418.51 × 35,507.50
4. Step 4: Simplify right side
   91,641.10x = 4,879,387,743.83
5. Step 5: Solve for x
   x = 4,879,387,743.83/91,641.10
6. Step 6: Final answer
   x = 53,244.53