Finding the Fourth Proportional to 83,973.57, 115,875.90 and 49,976.58

Step by Step Solution

1. Step 1: Write the proportion equation
   83,973.57 : 115,875.90 = 49,976.58 : x
2. Step 2: Convert to fraction form
   83,973.57/115,875.90 = 49,976.58/x
3. Step 3: Cross multiply
   83,973.57x = 115,875.90 × 49,976.58
4. Step 4: Simplify right side
   83,973.57x = 5,791,081,186.42
5. Step 5: Solve for x
   x = 5,791,081,186.42/83,973.57
6. Step 6: Final answer
   x = 68,963.14