Finding the Fourth Proportional to 83,138.56, 114,731.32 and 45,412.82

Step by Step Solution

1. Step 1: Write the proportion equation
   83,138.56 : 114,731.32 = 45,412.82 : x
2. Step 2: Convert to fraction form
   83,138.56/114,731.32 = 45,412.82/x
3. Step 3: Cross multiply
   83,138.56x = 114,731.32 × 45,412.82
4. Step 4: Simplify right side
   83,138.56x = 5,210,272,783.52
5. Step 5: Solve for x
   x = 5,210,272,783.52/83,138.56
6. Step 6: Final answer
   x = 62,669.75