Finding the Fourth Proportional to 358,085.89, 537,128.96 and 91,846.38

Step by Step Solution

1. Step 1: Write the proportion equation
   358,085.89 : 537,128.96 = 91,846.38 : x
2. Step 2: Convert to fraction form
   358,085.89/537,128.96 = 91,846.38/x
3. Step 3: Cross multiply
   358,085.89x = 537,128.96 × 91,846.38
4. Step 4: Simplify right side
   358,085.89x = 49,333,350,569.16
5. Step 5: Solve for x
   x = 49,333,350,569.16/358,085.89
6. Step 6: Final answer
   x = 137,769.60