Finding the Fourth Proportional to 91,590,683.97, 137,273,469.71 and 42,339,917.36

Step by Step Solution

1. Step 1: Write the proportion equation
   91,590,683.97 : 137,273,469.71 = 42,339,917.36 : x
2. Step 2: Convert to fraction form
   91,590,683.97/137,273,469.71 = 42,339,917.36/x
3. Step 3: Cross multiply
   91,590,683.97x = 137,273,469.71 × 42,339,917.36
4. Step 4: Simplify right side
   91,590,683.97x = 5,812,147,363,241,863
5. Step 5: Solve for x
   x = 5,812,147,363,241,863/91,590,683.97
6. Step 6: Final answer
   x = 63,457,844.31