Finding the Fourth Proportional to 83,432.31, 115,139.52 and 45,706.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,432.31 : 115,139.52 = 45,706.56 : x
2. Step 2: Convert to fraction form
   83,432.31/115,139.52 = 45,706.56/x
3. Step 3: Cross multiply
   83,432.31x = 115,139.52 × 45,706.56
4. Step 4: Simplify right side
   83,432.31x = 5,262,631,379.25
5. Step 5: Solve for x
   x = 5,262,631,379.25/83,432.31
6. Step 6: Final answer
   x = 63,076.66