Finding the Fourth Proportional to 91,618,610.72, 137,424,329.40 and 31,034,336.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,618,610.72 : 137,424,329.40 = 31,034,336.72 : x
2. Step 2: Convert to fraction form
   91,618,610.72/137,424,329.40 = 31,034,336.72/x
3. Step 3: Cross multiply
   91,618,610.72x = 137,424,329.40 × 31,034,336.72
4. Step 4: Simplify right side
   91,618,610.72x = 4,264,872,912,119,795.50
5. Step 5: Solve for x
   x = 4,264,872,912,119,795.50/91,618,610.72
6. Step 6: Final answer
   x = 46,550,290.15