Finding the Fourth Proportional to 98,983.30, 148,494.15 and 42,823.30

Step by Step Solution

1. Step 1: Write the proportion equation
   98,983.30 : 148,494.15 = 42,823.30 : x
2. Step 2: Convert to fraction form
   98,983.30/148,494.15 = 42,823.30/x
3. Step 3: Cross multiply
   98,983.30x = 148,494.15 × 42,823.30
4. Step 4: Simplify right side
   98,983.30x = 6,359,009,533.70
5. Step 5: Solve for x
   x = 6,359,009,533.70/98,983.30
6. Step 6: Final answer
   x = 64,243.26