Finding the Fourth Proportional to 175,384.18, 262,994.48 and 91,121.69

Step by Step Solution

1. Step 1: Write the proportion equation
   175,384.18 : 262,994.48 = 91,121.69 : x
2. Step 2: Convert to fraction form
   175,384.18/262,994.48 = 91,121.69/x
3. Step 3: Cross multiply
   175,384.18x = 262,994.48 × 91,121.69
4. Step 4: Simplify right side
   175,384.18x = 23,964,501,478.27
5. Step 5: Solve for x
   x = 23,964,501,478.27/175,384.18
6. Step 6: Final answer
   x = 136,640.04