Finding the Fourth Proportional to 6,908,914.56, 10,372,352.24 and 5,312,598.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,908,914.56 : 10,372,352.24 = 5,312,598.69 : x
2. Step 2: Convert to fraction form
   6,908,914.56/10,372,352.24 = 5,312,598.69/x
3. Step 3: Cross multiply
   6,908,914.56x = 10,372,352.24 × 5,312,598.69
4. Step 4: Simplify right side
   6,908,914.56x = 55,104,144,922,442.57
5. Step 5: Solve for x
   x = 55,104,144,922,442.57/6,908,914.56
6. Step 6: Final answer
   x = 7,975,803.50