Finding the Fourth Proportional to 9,870,105.60, 14,827,276.80 and 9,467,059.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870,105.60 : 14,827,276.80 = 9,467,059.20 : x
2. Step 2: Convert to fraction form
   9,870,105.60/14,827,276.80 = 9,467,059.20/x
3. Step 3: Cross multiply
   9,870,105.60x = 14,827,276.80 × 9,467,059.20
4. Step 4: Simplify right side
   9,870,105.60x = 140,370,707,240,386.56
5. Step 5: Solve for x
   x = 140,370,707,240,386.56/9,870,105.60
6. Step 6: Final answer
   x = 14,221,803.99