Finding the Fourth Proportional to 130,015.23, 194,689.98 and 89,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   130,015.23 : 194,689.98 = 89,978.82 : x
2. Step 2: Convert to fraction form
   130,015.23/194,689.98 = 89,978.82/x
3. Step 3: Cross multiply
   130,015.23x = 194,689.98 × 89,978.82
4. Step 4: Simplify right side
   130,015.23x = 17,517,974,666.22
5. Step 5: Solve for x
   x = 17,517,974,666.22/130,015.23
6. Step 6: Final answer
   x = 134,737.87