Finding the Fourth Proportional to 61,044.31, 91,706.82 and 43,073.91

Step by Step Solution

1. Step 1: Write the proportion equation
   61,044.31 : 91,706.82 = 43,073.91 : x
2. Step 2: Convert to fraction form
   61,044.31/91,706.82 = 43,073.91/x
3. Step 3: Cross multiply
   61,044.31x = 91,706.82 × 43,073.91
4. Step 4: Simplify right side
   61,044.31x = 3,950,171,311.07
5. Step 5: Solve for x
   x = 3,950,171,311.07/61,044.31
6. Step 6: Final answer
   x = 64,709.90