Finding the Fourth Proportional to 98,870.10, 148,013.55 and 65,627.70

Step by Step Solution

1. Step 1: Write the proportion equation
   98,870.10 : 148,013.55 = 65,627.70 : x
2. Step 2: Convert to fraction form
   98,870.10/148,013.55 = 65,627.70/x
3. Step 3: Cross multiply
   98,870.10x = 148,013.55 × 65,627.70
4. Step 4: Simplify right side
   98,870.10x = 9,713,788,855.34
5. Step 5: Solve for x
   x = 9,713,788,855.34/98,870.10
6. Step 6: Final answer
   x = 98,247.99