Finding the Fourth Proportional to 100,764.04, 139,038.98 and 60,469

Step by Step Solution

1. Step 1: Write the proportion equation
   100,764.04 : 139,038.98 = 60,469 : x
2. Step 2: Convert to fraction form
   100,764.04/139,038.98 = 60,469/x
3. Step 3: Cross multiply
   100,764.04x = 139,038.98 × 60,469
4. Step 4: Simplify right side
   100,764.04x = 8,407,548,081.62
5. Step 5: Solve for x
   x = 8,407,548,081.62/100,764.04
6. Step 6: Final answer
   x = 83,437.98