Finding the Fourth Proportional to 83,210.25, 114,830.55 and 45,484.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,210.25 : 114,830.55 = 45,484.50 : x
2. Step 2: Convert to fraction form
   83,210.25/114,830.55 = 45,484.50/x
3. Step 3: Cross multiply
   83,210.25x = 114,830.55 × 45,484.50
4. Step 4: Simplify right side
   83,210.25x = 5,223,010,151.48
5. Step 5: Solve for x
   x = 5,223,010,151.48/83,210.25
6. Step 6: Final answer
   x = 62,768.83