Finding the Fourth Proportional to 148,985.42, 205,570.47 and 83,576.42

Step by Step Solution

1. Step 1: Write the proportion equation
   148,985.42 : 205,570.47 = 83,576.42 : x
2. Step 2: Convert to fraction form
   148,985.42/205,570.47 = 83,576.42/x
3. Step 3: Cross multiply
   148,985.42x = 205,570.47 × 83,576.42
4. Step 4: Simplify right side
   148,985.42x = 17,180,843,940.32
5. Step 5: Solve for x
   x = 17,180,843,940.32/148,985.42
6. Step 6: Final answer
   x = 115,318.96