Finding the Fourth Proportional to 141,136.98, 211,915.62 and 57,061.32

Step by Step Solution

1. Step 1: Write the proportion equation
   141,136.98 : 211,915.62 = 57,061.32 : x
2. Step 2: Convert to fraction form
   141,136.98/211,915.62 = 57,061.32/x
3. Step 3: Cross multiply
   141,136.98x = 211,915.62 × 57,061.32
4. Step 4: Simplify right side
   141,136.98x = 12,092,185,005.82
5. Step 5: Solve for x
   x = 12,092,185,005.82/141,136.98
6. Step 6: Final answer
   x = 85,676.94