Finding the Fourth Proportional to 10,973,928.72, 15,109,470.98 and 9,316,798.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,973,928.72 : 15,109,470.98 = 9,316,798.14 : x
2. Step 2: Convert to fraction form
   10,973,928.72/15,109,470.98 = 9,316,798.14/x
3. Step 3: Cross multiply
   10,973,928.72x = 15,109,470.98 × 9,316,798.14
4. Step 4: Simplify right side
   10,973,928.72x = 140,771,891,122,848
5. Step 5: Solve for x
   x = 140,771,891,122,848/10,973,928.72
6. Step 6: Final answer
   x = 12,827,848.14