Finding the Fourth Proportional to 91,757,464.56, 126,560,833.34 and 60,385,518.16

Step by Step Solution

1. Step 1: Write the proportion equation
   91,757,464.56 : 126,560,833.34 = 60,385,518.16 : x
2. Step 2: Convert to fraction form
   91,757,464.56/126,560,833.34 = 60,385,518.16/x
3. Step 3: Cross multiply
   91,757,464.56x = 126,560,833.34 × 60,385,518.16
4. Step 4: Simplify right side
   91,757,464.56x = 7,642,441,499,997,303
5. Step 5: Solve for x
   x = 7,642,441,499,997,303/91,757,464.56
6. Step 6: Final answer
   x = 83,289,588.88