Finding the Fourth Proportional to 83,309.76, 124,965.12 and 34,061.76

Step by Step Solution

1. Step 1: Write the proportion equation
   83,309.76 : 124,965.12 = 34,061.76 : x
2. Step 2: Convert to fraction form
   83,309.76/124,965.12 = 34,061.76/x
3. Step 3: Cross multiply
   83,309.76x = 124,965.12 × 34,061.76
4. Step 4: Simplify right side
   83,309.76x = 4,256,531,925.81
5. Step 5: Solve for x
   x = 4,256,531,925.81/83,309.76
6. Step 6: Final answer
   x = 51,092.84