Finding the Fourth Proportional to 111,483.01, 153,809.32 and 63,078.21

Step by Step Solution

1. Step 1: Write the proportion equation
   111,483.01 : 153,809.32 = 63,078.21 : x
2. Step 2: Convert to fraction form
   111,483.01/153,809.32 = 63,078.21/x
3. Step 3: Cross multiply
   111,483.01x = 153,809.32 × 63,078.21
4. Step 4: Simplify right side
   111,483.01x = 9,702,015,809.91
5. Step 5: Solve for x
   x = 9,702,015,809.91/111,483.01
6. Step 6: Final answer
   x = 87,026.86