Finding the Fourth Proportional to 9,630,870.68, 13,290,598.34 and 5,279,863.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,630,870.68 : 13,290,598.34 = 5,279,863.65 : x
2. Step 2: Convert to fraction form
   9,630,870.68/13,290,598.34 = 5,279,863.65/x
3. Step 3: Cross multiply
   9,630,870.68x = 13,290,598.34 × 5,279,863.65
4. Step 4: Simplify right side
   9,630,870.68x = 70,172,546,995,663.34
5. Step 5: Solve for x
   x = 70,172,546,995,663.34/9,630,870.68
6. Step 6: Final answer
   x = 7,286,210.08