Finding the Fourth Proportional to 76,081.50, 104,992.83 and 42,547.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,081.50 : 104,992.83 = 42,547.50 : x
2. Step 2: Convert to fraction form
   76,081.50/104,992.83 = 42,547.50/x
3. Step 3: Cross multiply
   76,081.50x = 104,992.83 × 42,547.50
4. Step 4: Simplify right side
   76,081.50x = 4,467,182,434.43
5. Step 5: Solve for x
   x = 4,467,182,434.43/76,081.50
6. Step 6: Final answer
   x = 58,715.75