Finding the Fourth Proportional to 9,116,251.68, 12,584,300.88 and 5,680,190.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,116,251.68 : 12,584,300.88 = 5,680,190.40 : x
2. Step 2: Convert to fraction form
   9,116,251.68/12,584,300.88 = 5,680,190.40/x
3. Step 3: Cross multiply
   9,116,251.68x = 12,584,300.88 × 5,680,190.40
4. Step 4: Simplify right side
   9,116,251.68x = 71,481,225,049,287.56
5. Step 5: Solve for x
   x = 71,481,225,049,287.56/9,116,251.68
6. Step 6: Final answer
   x = 7,841,076.31