Finding the Fourth Proportional to 98,870.04, 148,319.52 and 28,740.24

Step by Step Solution

1. Step 1: Write the proportion equation
   98,870.04 : 148,319.52 = 28,740.24 : x
2. Step 2: Convert to fraction form
   98,870.04/148,319.52 = 28,740.24/x
3. Step 3: Cross multiply
   98,870.04x = 148,319.52 × 28,740.24
4. Step 4: Simplify right side
   98,870.04x = 4,262,738,601.48
5. Step 5: Solve for x
   x = 4,262,738,601.48/98,870.04
6. Step 6: Final answer
   x = 43,114.56