Finding the Fourth Proportional to 358,085.50, 537,128.38 and 91,846.02

Step by Step Solution

1. Step 1: Write the proportion equation
   358,085.50 : 537,128.38 = 91,846.02 : x
2. Step 2: Convert to fraction form
   358,085.50/537,128.38 = 91,846.02/x
3. Step 3: Cross multiply
   358,085.50x = 537,128.38 × 91,846.02
4. Step 4: Simplify right side
   358,085.50x = 49,333,103,932.05
5. Step 5: Solve for x
   x = 49,333,103,932.05/358,085.50
6. Step 6: Final answer
   x = 137,769.06