Finding the Fourth Proportional to 90,369, 124,767.72 and 58,118.13

Step by Step Solution

1. Step 1: Write the proportion equation
   90,369 : 124,767.72 = 58,118.13 : x
2. Step 2: Convert to fraction form
   90,369/124,767.72 = 58,118.13/x
3. Step 3: Cross multiply
   90,369x = 124,767.72 × 58,118.13
4. Step 4: Simplify right side
   90,369x = 7,251,266,570.76
5. Step 5: Solve for x
   x = 7,251,266,570.76/90,369
6. Step 6: Final answer
   x = 80,240.64