Finding the Fourth Proportional to 91,833,861.30, 126,725,945.67 and 57,025,804.38

Step by Step Solution

1. Step 1: Write the proportion equation
   91,833,861.30 : 126,725,945.67 = 57,025,804.38 : x
2. Step 2: Convert to fraction form
   91,833,861.30/126,725,945.67 = 57,025,804.38/x
3. Step 3: Cross multiply
   91,833,861.30x = 126,725,945.67 × 57,025,804.38
4. Step 4: Simplify right side
   91,833,861.30x = 7,226,648,987,647,928
5. Step 5: Solve for x
   x = 7,226,648,987,647,928/91,833,861.30
6. Step 6: Final answer
   x = 78,692,640.01