Finding the Fourth Proportional to 91,506,114.37, 126,231,744.83 and 58,431,588.49

Step by Step Solution

1. Step 1: Write the proportion equation
   91,506,114.37 : 126,231,744.83 = 58,431,588.49 : x
2. Step 2: Convert to fraction form
   91,506,114.37/126,231,744.83 = 58,431,588.49/x
3. Step 3: Cross multiply
   91,506,114.37x = 126,231,744.83 × 58,431,588.49
4. Step 4: Simplify right side
   91,506,114.37x = 7,375,921,367,601,016
5. Step 5: Solve for x
   x = 7,375,921,367,601,016/91,506,114.37
6. Step 6: Final answer
   x = 80,605,776.11