Finding the Fourth Proportional to 89,315.34, 123,261.40 and 59,048.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,315.34 : 123,261.40 = 59,048.08 : x
2. Step 2: Convert to fraction form
   89,315.34/123,261.40 = 59,048.08/x
3. Step 3: Cross multiply
   89,315.34x = 123,261.40 × 59,048.08
4. Step 4: Simplify right side
   89,315.34x = 7,278,349,008.11
5. Step 5: Solve for x
   x = 7,278,349,008.11/89,315.34
6. Step 6: Final answer
   x = 81,490.47