Finding the Fourth Proportional to 83,782.01, 125,598.30 and 31,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,782.01 : 125,598.30 = 31,155.50 : x
2. Step 2: Convert to fraction form
   83,782.01/125,598.30 = 31,155.50/x
3. Step 3: Cross multiply
   83,782.01x = 125,598.30 × 31,155.50
4. Step 4: Simplify right side
   83,782.01x = 3,913,078,032.81
5. Step 5: Solve for x
   x = 3,913,078,032.81/83,782.01
6. Step 6: Final answer
   x = 46,705.47