Finding the Fourth Proportional to 83,392.50, 115,081.70 and 45,152.38

Step by Step Solution

1. Step 1: Write the proportion equation
   83,392.50 : 115,081.70 = 45,152.38 : x
2. Step 2: Convert to fraction form
   83,392.50/115,081.70 = 45,152.38/x
3. Step 3: Cross multiply
   83,392.50x = 115,081.70 × 45,152.38
4. Step 4: Simplify right side
   83,392.50x = 5,196,212,649.45
5. Step 5: Solve for x
   x = 5,196,212,649.45/83,392.50
6. Step 6: Final answer
   x = 62,310.31