Finding the Fourth Proportional to 83,240.86, 124,802.96 and 30,643.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,240.86 : 124,802.96 = 30,643.52 : x
2. Step 2: Convert to fraction form
   83,240.86/124,802.96 = 30,643.52/x
3. Step 3: Cross multiply
   83,240.86x = 124,802.96 × 30,643.52
4. Step 4: Simplify right side
   83,240.86x = 3,824,402,000.82
5. Step 5: Solve for x
   x = 3,824,402,000.82/83,240.86
6. Step 6: Final answer
   x = 45,943.81