Finding the Fourth Proportional to 137,525.85, 189,826.01 and 89,786.34

Step by Step Solution

1. Step 1: Write the proportion equation
   137,525.85 : 189,826.01 = 89,786.34 : x
2. Step 2: Convert to fraction form
   137,525.85/189,826.01 = 89,786.34/x
3. Step 3: Cross multiply
   137,525.85x = 189,826.01 × 89,786.34
4. Step 4: Simplify right side
   137,525.85x = 17,043,782,225.77
5. Step 5: Solve for x
   x = 17,043,782,225.77/137,525.85
6. Step 6: Final answer
   x = 123,931.48