Finding the Fourth Proportional to 98,813.52, 148,142.52 and 70,713

Step by Step Solution

1. Step 1: Write the proportion equation
   98,813.52 : 148,142.52 = 70,713 : x
2. Step 2: Convert to fraction form
   98,813.52/148,142.52 = 70,713/x
3. Step 3: Cross multiply
   98,813.52x = 148,142.52 × 70,713
4. Step 4: Simplify right side
   98,813.52x = 10,475,602,016.76
5. Step 5: Solve for x
   x = 10,475,602,016.76/98,813.52
6. Step 6: Final answer
   x = 106,013.85