Finding the Fourth Proportional to 101,915.33, 152,186.72 and 83,232.45

Step by Step Solution

1. Step 1: Write the proportion equation
   101,915.33 : 152,186.72 = 83,232.45 : x
2. Step 2: Convert to fraction form
   101,915.33/152,186.72 = 83,232.45/x
3. Step 3: Cross multiply
   101,915.33x = 152,186.72 × 83,232.45
4. Step 4: Simplify right side
   101,915.33x = 12,666,873,146.90
5. Step 5: Solve for x
   x = 12,666,873,146.90/101,915.33
6. Step 6: Final answer
   x = 124,288.21