Finding the Fourth Proportional to 154,152, 212,729.76 and 83,496

Step by Step Solution

1. Step 1: Write the proportion equation
   154,152 : 212,729.76 = 83,496 : x
2. Step 2: Convert to fraction form
   154,152/212,729.76 = 83,496/x
3. Step 3: Cross multiply
   154,152x = 212,729.76 × 83,496
4. Step 4: Simplify right side
   154,152x = 17,762,084,040.96
5. Step 5: Solve for x
   x = 17,762,084,040.96/154,152
6. Step 6: Final answer
   x = 115,224.48