Finding the Fourth Proportional to 137,570.04, 189,776.79 and 89,851.32

Step by Step Solution

1. Step 1: Write the proportion equation
   137,570.04 : 189,776.79 = 89,851.32 : x
2. Step 2: Convert to fraction form
   137,570.04/189,776.79 = 89,851.32/x
3. Step 3: Cross multiply
   137,570.04x = 189,776.79 × 89,851.32
4. Step 4: Simplify right side
   137,570.04x = 17,051,695,086.86
5. Step 5: Solve for x
   x = 17,051,695,086.86/137,570.04
6. Step 6: Final answer
   x = 123,949.19