Finding the Fourth Proportional to 141,095.56, 194,681.46 and 81,445

Step by Step Solution

1. Step 1: Write the proportion equation
   141,095.56 : 194,681.46 = 81,445 : x
2. Step 2: Convert to fraction form
   141,095.56/194,681.46 = 81,445/x
3. Step 3: Cross multiply
   141,095.56x = 194,681.46 × 81,445
4. Step 4: Simplify right side
   141,095.56x = 15,855,831,509.70
5. Step 5: Solve for x
   x = 15,855,831,509.70/141,095.56
6. Step 6: Final answer
   x = 112,376.54